122877628059 has 4 divisors (see below), whose sum is σ = 163836837416. Its totient is φ = 81918418704.

The previous prime is 122877628033. The next prime is 122877628061. The reversal of 122877628059 is 950826778221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122877628059 - 2⁷ = 122877627931 is a prime.

It is a super-2 number, since 2×122877628059² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122877628009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20479604674 + ... + 20479604679.

It is an arithmetic number, because the mean of its divisors is an integer number (40959209354).

Almost surely, 2^122877628059 is an apocalyptic number.

122877628059 is a deficient number, since it is larger than the sum of its proper divisors (40959209357).

122877628059 is an equidigital number, since it uses as much as digits as its factorization.

122877628059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40959209356.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 122877628059 in words is "one hundred twenty-two billion, eight hundred seventy-seven million, six hundred twenty-eight thousand, fifty-nine".