149012122 has 16 divisors (see below), whose sum is σ = 261680832. Its totient is φ = 62304480.

The previous prime is 149012119. The next prime is 149012153. The reversal of 149012122 is 221210941.

It is a super-2 number, since 2×149012122² = 44409225005885768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149012093 and 149012102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129228 + ... + 130375.

It is an arithmetic number, because the mean of its divisors is an integer number (16355052).

Almost surely, 2^149012122 is an apocalyptic number.

149012122 is a deficient number, since it is larger than the sum of its proper divisors (112668710).

149012122 is a wasteful number, since it uses less digits than its factorization.

149012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259653.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 149012122 is about 12207.0521421021. The cubic root of 149012122 is about 530.1602956465.

The spelling of 149012122 in words is "one hundred forty-nine million, twelve thousand, one hundred twenty-two".