121042463634 has 24 divisors (see below), whose sum is σ = 264855295692. Its totient is φ = 39948007200.

The previous prime is 121042463621. The next prime is 121042463671. The reversal of 121042463634 is 436364240121.

121042463634 is a `hidden beast` number, since 1 + 2 + 10 + 4 + 2 + 4 + 6 + 3 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102942797409 + 18099666225 = 320847^2 + 134535^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33288189 + ... + 33291824.

Almost surely, 2^121042463634 is an apocalyptic number.

121042463634 is an abundant number, since it is smaller than the sum of its proper divisors (143812832058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121042463634 is a wasteful number, since it uses less digits than its factorization.

121042463634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66580122 (or 66580119 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 121042463634 in words is "one hundred twenty-one billion, forty-two million, four hundred sixty-three thousand, six hundred thirty-four".