122151150 has 72 divisors (see below), whose sum is σ = 358028424. Its totient is φ = 29611200.

The previous prime is 122151121. The next prime is 122151151. The reversal of 122151150 is 51151221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122151151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7389 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (4972617).

Almost surely, 2^122151150 is an apocalyptic number.

122151150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122151150 is an abundant number, since it is smaller than the sum of its proper divisors (235877274).

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

122151150 is a wasteful number, since it uses less digits than its factorization.

122151150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24706 (or 24698 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 122151150 is about 11052.2011382349. The cubic root of 122151150 is about 496.1723056188.

The spelling of 122151150 in words is "one hundred twenty-two million, one hundred fifty-one thousand, one hundred fifty".