660252122 has 8 divisors (see below), whose sum is σ = 1033438176. Its totient is φ = 315772732.

The previous prime is 660252097. The next prime is 660252169. The reversal of 660252122 is 221252066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 660252091 and 660252100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7176608 + ... + 7176699.

It is an arithmetic number, because the mean of its divisors is an integer number (129179772).

Almost surely, 2^660252122 is an apocalyptic number.

660252122 is a deficient number, since it is larger than the sum of its proper divisors (373186054).

660252122 is a wasteful number, since it uses less digits than its factorization.

660252122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14353332.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 660252122 is about 25695.3716065754. The cubic root of 660252122 is about 870.7696197662.

The spelling of 660252122 in words is "six hundred sixty million, two hundred fifty-two thousand, one hundred twenty-two".