121441098256 has 15 divisors (see below), whose sum is σ = 235294828653. Its totient is φ = 60719852160.

The previous prime is 121441098217. The next prime is 121441098263. The reversal of 121441098256 is 652890144121.

The square root of 121441098256 is 348484.

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., 102197859856 + 19243238400 = 319684^2 + 138720^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1350376 + ... + 1437496.

Almost surely, 2^121441098256 is an apocalyptic number.

121441098256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

121441098256 is the 348484-th square number.

It is an amenable number.

121441098256 is a deficient number, since it is larger than the sum of its proper divisors (113853730397).

121441098256 is an frugal number, since it uses more digits than its factorization.

121441098256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174250 (or 87123 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 121441098256 in words is "one hundred twenty-one billion, four hundred forty-one million, ninety-eight thousand, two hundred fifty-six".