121012634 has 16 divisors (see below), whose sum is σ = 192084480. Its totient is φ = 57018240.

The previous prime is 121012627. The next prime is 121012651. The reversal of 121012634 is 436210121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079 + ... + 15594.

It is an arithmetic number, because the mean of its divisors is an integer number (12005280).

Almost surely, 2^121012634 is an apocalyptic number.

121012634 is a deficient number, since it is larger than the sum of its proper divisors (71071846).

121012634 is a wasteful number, since it uses less digits than its factorization.

121012634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16885.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 121012634 is about 11000.5742577376. The cubic root of 121012634 is about 494.6259582902.

Adding to 121012634 its reverse (436210121), we get a palindrome (557222755).

The spelling of 121012634 in words is "one hundred twenty-one million, twelve thousand, six hundred thirty-four".