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1201000241 = 72171975883
BaseRepresentation
bin100011110010101…
…1100111100110001
310002200220010121102
41013211130330301
54424424001431
6315101334145
741522222300
oct10745347461
93080803542
101201000241
11566a2a291
12296267355
13161a8483c
14b5710437
1570686dcb
hex4795cf31

1201000241 has 24 divisors (see below), whose sum is σ = 1557139680. Its totient is φ = 917868672.

The previous prime is 1201000237. The next prime is 1201000247. The reversal of 1201000241 is 1420001021.

It is not a de Polignac number, because 1201000241 - 22 = 1201000237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201000247) 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 23 ways as a sum of consecutive naturals, for example, 22115 + ... + 53768.

It is an arithmetic number, because the mean of its divisors is an integer number (64880820).

Almost surely, 21201000241 is an apocalyptic number.

It is an amenable number.

1201000241 is a deficient number, since it is larger than the sum of its proper divisors (356139439).

1201000241 is a wasteful number, since it uses less digits than its factorization.

1201000241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75933 (or 75926 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1201000241 is about 34655.4503794136. The cubic root of 1201000241 is about 1062.9537412608.

Adding to 1201000241 its reverse (1420001021), we get a palindrome (2621001262).

The spelling of 1201000241 in words is "one billion, two hundred one million, two hundred forty-one", and thus it is an aban number.

Divisors: 1 7 17 19 49 119 133 323 833 931 2261 15827 75883 531181 1290011 1441777 3718267 9030077 10092439 24510209 63210539 70647073 171571463 1201000241