121200964 has 6 divisors (see below), whose sum is σ = 212101694. Its totient is φ = 60600480.

The previous prime is 121200953. The next prime is 121200967. The reversal of 121200964 is 469002121.

It can be written as a sum of positive squares in only one way, i.e., 74960964 + 46240000 = 8658^2 + 6800^2 .

It is not an unprimeable number, because it can be changed into a prime (121200967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150117 + ... + 15150124.

Almost surely, 2^121200964 is an apocalyptic number.

It is an amenable number.

121200964 is a deficient number, since it is larger than the sum of its proper divisors (90900730).

121200964 is a wasteful number, since it uses less digits than its factorization.

121200964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30300245 (or 30300243 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 121200964 is about 11009.1309375445. The cubic root of 121200964 is about 494.8824180808.

The spelling of 121200964 in words is "one hundred twenty-one million, two hundred thousand, nine hundred sixty-four".