121601453796 has 45 divisors (see below), whose sum is σ = 317906630041. Its totient is φ = 40531725648.

The previous prime is 121601453719. The next prime is 121601453803. The reversal of 121601453796 is 697354106121.

The square root of 121601453796 is 348714.

It is a perfect power (a square), and thus also a powerful number.

121601453796 is a `hidden beast` number, since 1 + 2 + 1 + 601 + 4 + 5 + 37 + 9 + 6 = 666.

121601453796 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35010152100 + 86591301696 = 187110^2 + 294264^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6267166 + ... + 6286538.

Almost surely, 2^121601453796 is an apocalyptic number.

121601453796 is the 348714-th square number.

It is an amenable number.

121601453796 is an abundant number, since it is smaller than the sum of its proper divisors (196305176245).

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

121601453796 is an frugal number, since it uses more digits than its factorization.

121601453796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38762 (or 19378 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 121601453796 in words is "one hundred twenty-one billion, six hundred one million, four hundred fifty-three thousand, seven hundred ninety-six".