122764428458 has 32 divisors (see below), whose sum is σ = 220099424256. Its totient is φ = 50212129968.

The previous prime is 122764428431. The next prime is 122764428469. The reversal of 122764428458 is 854824467221.

It is a super-2 number, since 2×122764428458² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287666 + ... + 572957.

It is an arithmetic number, because the mean of its divisors is an integer number (6878107008).

Almost surely, 2^122764428458 is an apocalyptic number.

122764428458 is a deficient number, since it is larger than the sum of its proper divisors (97334995798).

122764428458 is a wasteful number, since it uses less digits than its factorization.

122764428458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861098.

The product of its digits is 6881280, while the sum is 53.

The spelling of 122764428458 in words is "one hundred twenty-two billion, seven hundred sixty-four million, four hundred twenty-eight thousand, four hundred fifty-eight".