122870418 has 24 divisors (see below), whose sum is σ = 270113424. Its totient is φ = 37233240.

The previous prime is 122870413. The next prime is 122870431. The reversal of 122870418 is 814078221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (122870411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83896 + ... + 85347.

It is an arithmetic number, because the mean of its divisors is an integer number (11254726).

Almost surely, 2^122870418 is an apocalyptic number.

122870418 is an abundant number, since it is smaller than the sum of its proper divisors (147243006).

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

122870418 is a wasteful number, since it uses less digits than its factorization.

122870418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169270 (or 169259 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 122870418 is about 11084.6929592118. The cubic root of 122870418 is about 497.1442780899.

It can be divided in two parts, 122 and 870418, that added together give a triangular number (870540 = T₁₃₁₉).

The spelling of 122870418 in words is "one hundred twenty-two million, eight hundred seventy thousand, four hundred eighteen".