122666672 has 10 divisors (see below), whose sum is σ = 237666708. Its totient is φ = 61333328.

The previous prime is 122666657. The next prime is 122666689. The reversal of 122666672 is 276666221.

It is a super-2 number, since 2×122666672² = 30094224839111168, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 3833318 + ... + 3833349.

Almost surely, 2^122666672 is an apocalyptic number.

It is an amenable number.

122666672 is a deficient number, since it is larger than the sum of its proper divisors (115000036).

122666672 is an equidigital number, since it uses as much as digits as its factorization.

122666672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666675 (or 7666669 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 122666672 is about 11075.4987246625. The cubic root of 122666672 is about 496.8693347824.

The spelling of 122666672 in words is "one hundred twenty-two million, six hundred sixty-six thousand, six hundred seventy-two".