122439164 has 6 divisors (see below), whose sum is σ = 214268544. Its totient is φ = 61219580.

The previous prime is 122439077. The next prime is 122439199. The reversal of 122439164 is 461934221.

It is a self number, because there is not a number n which added to its sum of digits gives 122439164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15304892 + ... + 15304899.

It is an arithmetic number, because the mean of its divisors is an integer number (35711424).

Almost surely, 2^122439164 is an apocalyptic number.

It is an amenable number.

122439164 is a deficient number, since it is larger than the sum of its proper divisors (91829380).

122439164 is a wasteful number, since it uses less digits than its factorization.

122439164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30609795 (or 30609793 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 122439164 is about 11065.2231789512. The cubic root of 122439164 is about 496.5619660286.

It can be divided in two parts, 1224 and 39164, that multiplied together give a triangular number (47936736 = T₉₇₉₁).

The spelling of 122439164 in words is "one hundred twenty-two million, four hundred thirty-nine thousand, one hundred sixty-four".