122150520 has 48 divisors (see below), whose sum is σ = 396990360. Its totient is φ = 32573376.

The previous prime is 122150513. The next prime is 122150527. The reversal of 122150520 is 25051221.

It is an interprime number because it is at equal distance from previous prime (122150513) and next prime (122150527).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122150493 and 122150502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122150527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169294 + ... + 170013.

Almost surely, 2^122150520 is an apocalyptic number.

122150520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122150520 is an abundant number, since it is smaller than the sum of its proper divisors (274839840).

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

122150520 is a wasteful number, since it uses less digits than its factorization.

122150520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339324 (or 339317 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 122150520 is about 11052.1726370881. The cubic root of 122150520 is about 496.1714526070.

The spelling of 122150520 in words is "one hundred twenty-two million, one hundred fifty thousand, five hundred twenty".