122129470 has 16 divisors (see below), whose sum is σ = 220541040. Its totient is φ = 48694464.

The previous prime is 122129461. The next prime is 122129519. The reversal of 122129470 is 74921221.

It is a congruent number.

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, 16380 + ... + 22639.

It is an arithmetic number, because the mean of its divisors is an integer number (13783815).

Almost surely, 2^122129470 is an apocalyptic number.

122129470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122129470 is a deficient number, since it is larger than the sum of its proper divisors (98411570).

122129470 is a wasteful number, since it uses less digits than its factorization.

122129470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39339.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 122129470 is about 11051.2202946100. The cubic root of 122129470 is about 496.1429494971.

The spelling of 122129470 in words is "one hundred twenty-two million, one hundred twenty-nine thousand, four hundred seventy".