122152149 has 36 divisors (see below), whose sum is σ = 214190496. Its totient is φ = 66760848.

The previous prime is 122152117. The next prime is 122152153. The reversal of 122152149 is 941251221.

It is not a de Polignac number, because 122152149 - 2⁵ = 122152117 is a prime.

It is a super-2 number, since 2×122152149² = 29842295010636402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122152109) 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, 4122 + ... + 16164.

It is an arithmetic number, because the mean of its divisors is an integer number (5949736).

Almost surely, 2^122152149 is an apocalyptic number.

It is an amenable number.

122152149 is a deficient number, since it is larger than the sum of its proper divisors (92038347).

122152149 is a wasteful number, since it uses less digits than its factorization.

122152149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12086 (or 12076 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 122152149 is about 11052.2463327597. The cubic root of 122152149 is about 496.1736582456.

The spelling of 122152149 in words is "one hundred twenty-two million, one hundred fifty-two thousand, one hundred forty-nine".