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4201121001 = 371128436397
BaseRepresentation
bin1111101001101000…
…0000010011101001
3101211210011001121010
43322122000103221
532100441333001
61532512334133
7206051640120
oct37232002351
911753131533
104201121001
111866472430
12992b44349
1351c4ac01c
142bbd48ab7
15198c518d6
hexfa6804e9

4201121001 has 32 divisors (see below), whose sum is σ = 6987230208. Its totient is φ = 2181291840.

The previous prime is 4201120997. The next prime is 4201121059. The reversal of 4201121001 is 1001211024.

It is a happy number.

It is not a de Polignac number, because 4201121001 - 22 = 4201120997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4201121401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653535 + ... + 659931.

It is an arithmetic number, because the mean of its divisors is an integer number (218350944).

Almost surely, 24201121001 is an apocalyptic number.

It is an amenable number.

4201121001 is a deficient number, since it is larger than the sum of its proper divisors (2786109207).

4201121001 is a wasteful number, since it uses less digits than its factorization.

4201121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 4201121001 is about 64816.0551175401. The cubic root of 4201121001 is about 1613.5721773132.

Adding to 4201121001 its reverse (1001211024), we get a palindrome (5202332025).

The spelling of 4201121001 in words is "four billion, two hundred one million, one hundred twenty-one thousand, one".

Divisors: 1 3 7 11 21 33 77 231 2843 6397 8529 19191 19901 31273 44779 59703 70367 93819 134337 211101 218911 492569 656733 1477707 18186671 54560013 127306697 200053381 381920091 600160143 1400373667 4201121001