122139074 has 8 divisors (see below), whose sum is σ = 185718540. Its totient is φ = 60232896.

The previous prime is 122139071. The next prime is 122139077. The reversal of 122139074 is 470931221.

It is an interprime number because it is at equal distance from previous prime (122139071) and next prime (122139077).

It can be written as a sum of positive squares in 2 ways, for example, as 114811225 + 7327849 = 10715^2 + 2707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122139071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418139 + ... + 418430.

Almost surely, 2^122139074 is an apocalyptic number.

122139074 is a deficient number, since it is larger than the sum of its proper divisors (63579466).

122139074 is an equidigital number, since it uses as much as digits as its factorization.

122139074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836644.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 122139074 is about 11051.6548082176. The cubic root of 122139074 is about 496.1559543626.

The spelling of 122139074 in words is "one hundred twenty-two million, one hundred thirty-nine thousand, seventy-four".