121426471119424 has 21 divisors (see below), whose sum is σ = 240955828560201. Its totient is φ = 60713191482240.

The previous prime is 121426471119413. The next prime is 121426471119449. The reversal of 121426471119424 is 424911174624121.

The square root of 121426471119424 is 11019368.

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., 61637698537024 + 59788772582400 = 7850968^2 + 7732320^2 .

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, 87466234 + ... + 88843654.

Almost surely, 2^{121426471119424} is an apocalyptic number.

121426471119424 is the 11019368-th square number.

It is an amenable number.

121426471119424 is a deficient number, since it is larger than the sum of its proper divisors (119529357440777).

121426471119424 is an frugal number, since it uses more digits than its factorization.

121426471119424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754854 (or 1377423 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The spelling of 121426471119424 in words is "one hundred twenty-one trillion, four hundred twenty-six billion, four hundred seventy-one million, one hundred nineteen thousand, four hundred twenty-four".