122821464975 has 48 divisors (see below), whose sum is σ = 222492961920. Its totient is φ = 59289667200.

The previous prime is 122821464937. The next prime is 122821465007. The reversal of 122821464975 is 579464128221.

It is a happy number.

It is not a de Polignac number, because 122821464975 - 2¹⁰ = 122821463951 is a prime.

It is a super-2 number, since 2×122821464975² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136129 + ... + 513978.

It is an arithmetic number, because the mean of its divisors is an integer number (4635270040).

Almost surely, 2^122821464975 is an apocalyptic number.

122821464975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122821464975 is a deficient number, since it is larger than the sum of its proper divisors (99671496945).

122821464975 is a wasteful number, since it uses less digits than its factorization.

122821464975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650360 (or 650355 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 122821464975 in words is "one hundred twenty-two billion, eight hundred twenty-one million, four hundred sixty-four thousand, nine hundred seventy-five".