122250840 has 64 divisors (see below), whose sum is σ = 367480800. Its totient is φ = 32535552.

The previous prime is 122250833. The next prime is 122250881. The reversal of 122250840 is 48052221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 122250840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113826 + ... + 114894.

Almost surely, 2^122250840 is an apocalyptic number.

122250840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122250840 is an abundant number, since it is smaller than the sum of its proper divisors (245229960).

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

122250840 is a wasteful number, since it uses less digits than its factorization.

122250840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 122250840 is about 11056.7101797958. The cubic root of 122250840 is about 496.3072476345.

The spelling of 122250840 in words is "one hundred twenty-two million, two hundred fifty thousand, eight hundred forty".