121626653 has 8 divisors (see below), whose sum is σ = 129362688. Its totient is φ = 113955264.

The previous prime is 121626649. The next prime is 121626683. The reversal of 121626653 is 356626121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121626653 - 2² = 121626649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121626683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12251 + ... + 19832.

It is an arithmetic number, because the mean of its divisors is an integer number (16170336).

Almost surely, 2^121626653 is an apocalyptic number.

It is an amenable number.

121626653 is a deficient number, since it is larger than the sum of its proper divisors (7736035).

121626653 is a wasteful number, since it uses less digits than its factorization.

121626653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32323.

The product of its digits is 12960, while the sum is 32.

The square root of 121626653 is about 11028.4474428634. The cubic root of 121626653 is about 495.4611259203.

The spelling of 121626653 in words is "one hundred twenty-one million, six hundred twenty-six thousand, six hundred fifty-three".