121547626834 has 16 divisors (see below), whose sum is σ = 193052700000. Its totient is φ = 57196966464.

The previous prime is 121547626819. The next prime is 121547626847. The reversal of 121547626834 is 438626745121.

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, 1882417 + ... + 1945915.

It is an arithmetic number, because the mean of its divisors is an integer number (12065793750).

Almost surely, 2^121547626834 is an apocalyptic number.

121547626834 is a deficient number, since it is larger than the sum of its proper divisors (71505073166).

121547626834 is a wasteful number, since it uses less digits than its factorization.

121547626834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119817.

The product of its digits is 1935360, while the sum is 49.

The spelling of 121547626834 in words is "one hundred twenty-one billion, five hundred forty-seven million, six hundred twenty-six thousand, eight hundred thirty-four".