123052774721 has 8 divisors (see below), whose sum is σ = 133063326720. Its totient is φ = 113350239808.

The previous prime is 123052774639. The next prime is 123052774729. The reversal of 123052774721 is 127477250321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123052774721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123052774729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77003441 + ... + 77005038.

It is an arithmetic number, because the mean of its divisors is an integer number (16632915840).

Almost surely, 2^123052774721 is an apocalyptic number.

It is an amenable number.

123052774721 is a deficient number, since it is larger than the sum of its proper divisors (10010551999).

123052774721 is a wasteful number, since it uses less digits than its factorization.

123052774721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154008543.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 123052774721 in words is "one hundred twenty-three billion, fifty-two million, seven hundred seventy-four thousand, seven hundred twenty-one".