117053621 has 4 divisors (see below), whose sum is σ = 117135744. Its totient is φ = 116971500.

The previous prime is 117053617. The next prime is 117053663. The reversal of 117053621 is 126350711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 126350711 = 47 ⋅2688313.

It is a cyclic number.

It is not a de Polignac number, because 117053621 - 2² = 117053617 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 (117055621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38885 + ... + 41786.

It is an arithmetic number, because the mean of its divisors is an integer number (29283936).

Almost surely, 2^117053621 is an apocalyptic number.

It is an amenable number.

117053621 is a deficient number, since it is larger than the sum of its proper divisors (82123).

117053621 is an equidigital number, since it uses as much as digits as its factorization.

117053621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82122.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 117053621 is about 10819.1321740702. The cubic root of 117053621 is about 489.1720308681.

The spelling of 117053621 in words is "one hundred seventeen million, fifty-three thousand, six hundred twenty-one".