122290064 has 20 divisors (see below), whose sum is σ = 255163356. Its totient is φ = 56441472.

The previous prime is 122290037. The next prime is 122290127. The reversal of 122290064 is 460092221.

It can be written as a sum of positive squares in 2 ways, for example, as 65739664 + 56550400 = 8108^2 + 7520^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293759 + ... + 294174.

Almost surely, 2^122290064 is an apocalyptic number.

It is an amenable number.

122290064 is an abundant number, since it is smaller than the sum of its proper divisors (132873292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122290064 is a wasteful number, since it uses less digits than its factorization.

122290064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587954 (or 587948 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 122290064 is about 11058.4838020409. The cubic root of 122290064 is about 496.3603217725.

The spelling of 122290064 in words is "one hundred twenty-two million, two hundred ninety thousand, sixty-four".