122063661 has 6 divisors (see below), whose sum is σ = 176314190. Its totient is φ = 81375768.

The previous prime is 122063659. The next prime is 122063671. The reversal of 122063661 is 166360221.

122063661 is a `hidden beast` number, since 1 + 2 + 20 + 636 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86601636 + 35462025 = 9306^2 + 5955^2 .

It is not a de Polignac number, because 122063661 - 2¹ = 122063659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122063671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6781306 + ... + 6781323.

Almost surely, 2^122063661 is an apocalyptic number.

It is an amenable number.

122063661 is a deficient number, since it is larger than the sum of its proper divisors (54250529).

122063661 is a wasteful number, since it uses less digits than its factorization.

122063661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13562635 (or 13562632 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 122063661 is about 11048.2424394109. The cubic root of 122063661 is about 496.0538185727.

The spelling of 122063661 in words is "one hundred twenty-two million, sixty-three thousand, six hundred sixty-one".