122713144 has 8 divisors (see below), whose sum is σ = 230087160. Its totient is φ = 61356568.

The previous prime is 122713133. The next prime is 122713189. The reversal of 122713144 is 441317221.

It is a tau number, because it is divible by the number of its divisors (8).

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, 7669564 + ... + 7669579.

It is an arithmetic number, because the mean of its divisors is an integer number (28760895).

Almost surely, 2^122713144 is an apocalyptic number.

It is an amenable number.

122713144 is a deficient number, since it is larger than the sum of its proper divisors (107374016).

122713144 is a wasteful number, since it uses less digits than its factorization.

122713144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15339149 (or 15339145 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 122713144 is about 11077.5964902139. The cubic root of 122713144 is about 496.9320728134.

The spelling of 122713144 in words is "one hundred twenty-two million, seven hundred thirteen thousand, one hundred forty-four".