121713626 has 16 divisors (see below), whose sum is σ = 188947968. Its totient is φ = 58741200.

The previous prime is 121713619. The next prime is 121713643. The reversal of 121713626 is 626317121.

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, 23771 + ... + 28433.

It is an arithmetic number, because the mean of its divisors is an integer number (11809248).

Almost surely, 2^121713626 is an apocalyptic number.

121713626 is a deficient number, since it is larger than the sum of its proper divisors (67234342).

121713626 is a wasteful number, since it uses less digits than its factorization.

121713626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117.

The product of its digits is 3024, while the sum is 29.

The square root of 121713626 is about 11032.3898589562. The cubic root of 121713626 is about 495.5791961846.

The spelling of 121713626 in words is "one hundred twenty-one million, seven hundred thirteen thousand, six hundred twenty-six".