122278059 has 16 divisors (see below), whose sum is σ = 191809440. Its totient is φ = 76723200.

The previous prime is 122278033. The next prime is 122278061. The reversal of 122278059 is 950872221.

It is not a de Polignac number, because 122278059 - 2⁷ = 122277931 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (122278019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132742 + ... + 133659.

It is an arithmetic number, because the mean of its divisors is an integer number (11988090).

Almost surely, 2^122278059 is an apocalyptic number.

122278059 is a deficient number, since it is larger than the sum of its proper divisors (69531381).

122278059 is a wasteful number, since it uses less digits than its factorization.

122278059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266427 (or 266421 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 122278059 is about 11057.9409927888. The cubic root of 122278059 is about 496.3440789684.

The spelling of 122278059 in words is "one hundred twenty-two million, two hundred seventy-eight thousand, fifty-nine".