117928522 has 4 divisors (see below), whose sum is σ = 176892786. Its totient is φ = 58964260.

The previous prime is 117928519. The next prime is 117928537. The reversal of 117928522 is 225829711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225829711 = 151 ⋅1495561.

It can be written as a sum of positive squares in only one way, i.e., 75012921 + 42915601 = 8661^2 + 6551^2 .

It is a super-2 number, since 2×117928522² = 27814272602208968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29482129 + ... + 29482132.

Almost surely, 2^117928522 is an apocalyptic number.

117928522 is a deficient number, since it is larger than the sum of its proper divisors (58964264).

117928522 is an equidigital number, since it uses as much as digits as its factorization.

117928522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58964263.

The product of its digits is 20160, while the sum is 37.

The square root of 117928522 is about 10859.4899511902. The cubic root of 117928522 is about 490.3877563791.

The spelling of 117928522 in words is "one hundred seventeen million, nine hundred twenty-eight thousand, five hundred twenty-two".