121489659017962 has 4 divisors (see below), whose sum is σ = 182234488526946. Its totient is φ = 60744829508980.

The previous prime is 121489659017927. The next prime is 121489659018019. The reversal of 121489659017962 is 269710956984121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73118899819681 + 48370759198281 = 8550959^2 + 6954909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121489659017891 and 121489659017900.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30372414754489 + ... + 30372414754492.

Almost surely, 2^{121489659017962} is an apocalyptic number.

121489659017962 is a deficient number, since it is larger than the sum of its proper divisors (60744829508984).

121489659017962 is an equidigital number, since it uses as much as digits as its factorization.

121489659017962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60744829508983.

The product of its (nonzero) digits is 117573120, while the sum is 70.

The spelling of 121489659017962 in words is "one hundred twenty-one trillion, four hundred eighty-nine billion, six hundred fifty-nine million, seventeen thousand, nine hundred sixty-two".