122713436 has 6 divisors (see below), whose sum is σ = 214748520. Its totient is φ = 61356716.

The previous prime is 122713421. The next prime is 122713477. The reversal of 122713436 is 634317221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122713399 and 122713408.

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, 15339176 + ... + 15339183.

It is an arithmetic number, because the mean of its divisors is an integer number (35791420).

Almost surely, 2^122713436 is an apocalyptic number.

It is an amenable number.

122713436 is a deficient number, since it is larger than the sum of its proper divisors (92035084).

122713436 is a wasteful number, since it uses less digits than its factorization.

122713436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30678363 (or 30678361 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 122713436 is about 11077.6096699604. The cubic root of 122713436 is about 496.9324669685.

The spelling of 122713436 in words is "one hundred twenty-two million, seven hundred thirteen thousand, four hundred thirty-six".