122544930 has 32 divisors (see below), whose sum is σ = 294840000. Its totient is φ = 32597312.

The previous prime is 122544911. The next prime is 122544949. The reversal of 122544930 is 39445221.

It is an interprime number because it is at equal distance from previous prime (122544911) and next prime (122544949).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7696 + ... + 17444.

It is an arithmetic number, because the mean of its divisors is an integer number (9213750).

Almost surely, 2^122544930 is an apocalyptic number.

122544930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122544930 is an abundant number, since it is smaller than the sum of its proper divisors (172295070).

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

122544930 is a wasteful number, since it uses less digits than its factorization.

122544930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10178.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 122544930 is about 11070.0013550135. The cubic root of 122544930 is about 496.7049057436.

Subtracting from 122544930 its sum of digits (30), we obtain a square (122544900 = 11070²).

The spelling of 122544930 in words is "one hundred twenty-two million, five hundred forty-four thousand, nine hundred thirty".