122742336527 has 8 divisors (see below), whose sum is σ = 127020441600. Its totient is φ = 118467272224.

The previous prime is 122742336523. The next prime is 122742336533. The reversal of 122742336527 is 725633247221.

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

It is a cyclic number.

It is not a de Polignac number, because 122742336527 - 2² = 122742336523 is a prime.

It is a super-2 number, since 2×122742336527² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122742336523) 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, 677903 + ... + 839664.

It is an arithmetic number, because the mean of its divisors is an integer number (15877555200).

Almost surely, 2^122742336527 is an apocalyptic number.

122742336527 is a deficient number, since it is larger than the sum of its proper divisors (4278105073).

122742336527 is a wasteful number, since it uses less digits than its factorization.

122742336527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520385.

The product of its digits is 846720, while the sum is 44.

The spelling of 122742336527 in words is "one hundred twenty-two billion, seven hundred forty-two million, three hundred thirty-six thousand, five hundred twenty-seven".