121262948975 has 12 divisors (see below), whose sum is σ = 171846922224. Its totient is φ = 83151736320.

The previous prime is 121262948887. The next prime is 121262948993. The reversal of 121262948975 is 579849262121.

It is not a de Polignac number, because 121262948975 - 2²⁰ = 121261900399 is a prime.

It is a super-2 number, since 2×121262948975² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121262948975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346465394 + ... + 346465743.

It is an arithmetic number, because the mean of its divisors is an integer number (14320576852).

Almost surely, 2^121262948975 is an apocalyptic number.

121262948975 is a deficient number, since it is larger than the sum of its proper divisors (50583973249).

121262948975 is an equidigital number, since it uses as much as digits as its factorization.

121262948975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692931154 (or 692931149 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The spelling of 121262948975 in words is "one hundred twenty-one billion, two hundred sixty-two million, nine hundred forty-eight thousand, nine hundred seventy-five".