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1201000101 = 37121746993
BaseRepresentation
bin100011110010101…
…1100111010100101
310002200220010102020
41013211130322211
54424424000401
6315101333353
741522222010
oct10745347245
93080803366
101201000101
11566a2a174
12296267259
13161a84762
14b5710377
1570686d36
hex4795cea5

1201000101 has 16 divisors (see below), whose sum is σ = 1831638144. Its totient is φ = 685707264.

The previous prime is 1201000067. The next prime is 1201000103. The reversal of 1201000101 is 1010001021.

It is not a de Polignac number, because 1201000101 - 217 = 1200869029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201000103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2061 + ... + 49053.

It is an arithmetic number, because the mean of its divisors is an integer number (114477384).

Almost surely, 21201000101 is an apocalyptic number.

It is an amenable number.

1201000101 is a deficient number, since it is larger than the sum of its proper divisors (630638043).

1201000101 is a wasteful number, since it uses less digits than its factorization.

1201000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48220.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1201000101 is about 34655.4483595293. The cubic root of 1201000101 is about 1062.9536999581.

Adding to 1201000101 its reverse (1010001021), we get a palindrome (2211001122).

It can be divided in two parts, 1 and 201000101, that added together give a palindrome (201000102).

The spelling of 1201000101 in words is "one billion, two hundred one million, one hundred one", and thus it is an aban number.

Divisors: 1 3 7 21 1217 3651 8519 25557 46993 140979 328951 986853 57190481 171571443 400333367 1201000101