121451708 has 12 divisors (see below), whose sum is σ = 242903472. Its totient is φ = 52050720.

The previous prime is 121451699. The next prime is 121451711. The reversal of 121451708 is 807154121.

121451708 is an admirable number.

It is a super-2 number, since 2×121451708² = 29501034752234528, which contains 22 as substring.

It is a congruent number.

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, 2168753 + ... + 2168808.

It is an arithmetic number, because the mean of its divisors is an integer number (20241956).

Almost surely, 2^121451708 is an apocalyptic number.

It is an amenable number.

121451708 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121451708 is a wasteful number, since it uses less digits than its factorization.

121451708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337572 (or 4337570 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 121451708 is about 11020.5130552075. The cubic root of 121451708 is about 495.2234586093.

The spelling of 121451708 in words is "one hundred twenty-one million, four hundred fifty-one thousand, seven hundred eight".