122754138 has 16 divisors (see below), whose sum is σ = 264393696. Its totient is φ = 37770480.

The previous prime is 122754131. The next prime is 122754167. The reversal of 122754138 is 831457221.

It is a super-2 number, since 2×122754138² = 30137156792246088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122754099 and 122754108.

It is not an unprimeable number, because it can be changed into a prime (122754131) 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, 786808 + ... + 786963.

It is an arithmetic number, because the mean of its divisors is an integer number (16524606).

Almost surely, 2^122754138 is an apocalyptic number.

122754138 is an abundant number, since it is smaller than the sum of its proper divisors (141639558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122754138 is a wasteful number, since it uses less digits than its factorization.

122754138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573789.

The product of its digits is 13440, while the sum is 33.

The square root of 122754138 is about 11079.4466468321. The cubic root of 122754138 is about 496.9874022989.

The spelling of 122754138 in words is "one hundred twenty-two million, seven hundred fifty-four thousand, one hundred thirty-eight".