117621083 has 4 divisors (see below), whose sum is σ = 117645768. Its totient is φ = 117596400.

The previous prime is 117621067. The next prime is 117621107. The reversal of 117621083 is 380126711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117621083 - 2⁴ = 117621067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117626083) 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, 2666 + ... + 15567.

It is an arithmetic number, because the mean of its divisors is an integer number (29411442).

Almost surely, 2^117621083 is an apocalyptic number.

117621083 is a deficient number, since it is larger than the sum of its proper divisors (24685).

117621083 is an equidigital number, since it uses as much as digits as its factorization.

117621083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24684.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 117621083 is about 10845.3253985300. The cubic root of 117621083 is about 489.9612394718.

Adding to 117621083 its reverse (380126711), we get a palindrome (497747794).

The spelling of 117621083 in words is "one hundred seventeen million, six hundred twenty-one thousand, eighty-three".