122155250 has 96 divisors (see below), whose sum is σ = 273926016. Its totient is φ = 39950400.

The previous prime is 122155247. The next prime is 122155289. The reversal of 122155250 is 52551221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1471709 + ... + 1471791.

It is an arithmetic number, because the mean of its divisors is an integer number (2853396).

Almost surely, 2^122155250 is an apocalyptic number.

122155250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122155250 is an abundant number, since it is smaller than the sum of its proper divisors (151770766).

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

122155250 is an equidigital number, since it uses as much as digits as its factorization.

122155250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 122155250 is about 11052.3866200925. The cubic root of 122155250 is about 496.1778568933.

The spelling of 122155250 in words is "one hundred twenty-two million, one hundred fifty-five thousand, two hundred fifty".