122506142 has 32 divisors (see below), whose sum is σ = 210263040. Its totient is φ = 52988320.

The previous prime is 122506133. The next prime is 122506157. The reversal of 122506142 is 241605221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120428 + ... + 121440.

It is an arithmetic number, because the mean of its divisors is an integer number (6570720).

Almost surely, 2^122506142 is an apocalyptic number.

122506142 is a deficient number, since it is larger than the sum of its proper divisors (87756898).

122506142 is a wasteful number, since it uses less digits than its factorization.

122506142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 122506142 is about 11068.2492743884. The cubic root of 122506142 is about 496.6524944282.

The spelling of 122506142 in words is "one hundred twenty-two million, five hundred six thousand, one hundred forty-two".