117920912 has 10 divisors (see below), whose sum is σ = 228471798. Its totient is φ = 58960448.

The previous prime is 117920911. The next prime is 117920939. The reversal of 117920912 is 219029711.

It can be written as a sum of positive squares in only one way, i.e., 78783376 + 39137536 = 8876^2 + 6256^2 .

It is not an unprimeable number, because it can be changed into a prime (117920911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3685013 + ... + 3685044.

Almost surely, 2^117920912 is an apocalyptic number.

It is an amenable number.

117920912 is a deficient number, since it is larger than the sum of its proper divisors (110550886).

117920912 is an equidigital number, since it uses as much as digits as its factorization.

117920912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370065 (or 7370059 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 117920912 is about 10859.1395607571. The cubic root of 117920912 is about 490.3772078111.

The spelling of 117920912 in words is "one hundred seventeen million, nine hundred twenty thousand, nine hundred twelve".