121867468774 has 16 divisors (see below), whose sum is σ = 184174363296. Its totient is φ = 60477120000.

The previous prime is 121867468741. The next prime is 121867468781. The reversal of 121867468774 is 477864768121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55227 + ... + 496774.

It is an arithmetic number, because the mean of its divisors is an integer number (11510897706).

Almost surely, 2^121867468774 is an apocalyptic number.

121867468774 is a deficient number, since it is larger than the sum of its proper divisors (62306894522).

121867468774 is a wasteful number, since it uses less digits than its factorization.

121867468774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552831.

The product of its digits is 25288704, while the sum is 61.

The spelling of 121867468774 in words is "one hundred twenty-one billion, eight hundred sixty-seven million, four hundred sixty-eight thousand, seven hundred seventy-four".