121670672 has 20 divisors (see below), whose sum is σ = 236047020. Its totient is φ = 60755328.

The previous prime is 121670651. The next prime is 121670701. The reversal of 121670672 is 276076121.

It can be written as a sum of positive squares in 2 ways, for example, as 29203216 + 92467456 = 5404^2 + 9616^2 .

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, 8678 + ... + 17850.

It is an arithmetic number, because the mean of its divisors is an integer number (11802351).

Almost surely, 2^121670672 is an apocalyptic number.

It is an amenable number.

121670672 is a deficient number, since it is larger than the sum of its proper divisors (114376348).

121670672 is an equidigital number, since it uses as much as digits as its factorization.

121670672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010 (or 10004 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 121670672 is about 11030.4429648133. The cubic root of 121670672 is about 495.5208909805.

The spelling of 121670672 in words is "one hundred twenty-one million, six hundred seventy thousand, six hundred seventy-two".