121605670626 has 32 divisors (see below), whose sum is σ = 279285753600. Its totient is φ = 34910718480.

The previous prime is 121605670619. The next prime is 121605670649. The reversal of 121605670626 is 626076506121.

It is a super-3 number, since 3×121605670626³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48485856 + ... + 48488363.

It is an arithmetic number, because the mean of its divisors is an integer number (8727679800).

Almost surely, 2^121605670626 is an apocalyptic number.

121605670626 is an abundant number, since it is smaller than the sum of its proper divisors (157680082974).

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

121605670626 is a wasteful number, since it uses less digits than its factorization.

121605670626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96974254.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 121605670626 in words is "one hundred twenty-one billion, six hundred five million, six hundred seventy thousand, six hundred twenty-six".