122563916 has 6 divisors (see below), whose sum is σ = 214486860. Its totient is φ = 61281956.

The previous prime is 122563891. The next prime is 122563919. The reversal of 122563916 is 619365221.

It is not an unprimeable number, because it can be changed into a prime (122563919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15320486 + ... + 15320493.

It is an arithmetic number, because the mean of its divisors is an integer number (35747810).

Almost surely, 2^122563916 is an apocalyptic number.

It is an amenable number.

122563916 is a deficient number, since it is larger than the sum of its proper divisors (91922944).

122563916 is a wasteful number, since it uses less digits than its factorization.

122563916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30640983 (or 30640981 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 122563916 is about 11070.8588646049. The cubic root of 122563916 is about 496.7305560700.

The spelling of 122563916 in words is "one hundred twenty-two million, five hundred sixty-three thousand, nine hundred sixteen".