121476371943424 has 39 divisors (see below), whose sum is σ = 242924497174353. Its totient is φ = 60737833279488.

The previous prime is 121476371943419. The next prime is 121476371943427. The reversal of 121476371943424 is 424349173674121.

The square root of 121476371943424 is 11021632.

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

It can be written as a sum of positive squares in only one way, i.e., 93386711142400 + 28089660801024 = 9663680^2 + 5299968^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121476371943427) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 705298342 + ... + 705470554.

Almost surely, 2^{121476371943424} is an apocalyptic number.

121476371943424 is the 11021632-nd square number.

It is an amenable number.

121476371943424 is a deficient number, since it is larger than the sum of its proper divisors (121448125230929).

121476371943424 is an frugal number, since it uses more digits than its factorization.

121476371943424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344450 (or 172215 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 58.

The spelling of 121476371943424 in words is "one hundred twenty-one trillion, four hundred seventy-six billion, three hundred seventy-one million, nine hundred forty-three thousand, four hundred twenty-four".