117612001 has 32 divisors (see below), whose sum is σ = 139829760. Its totient is φ = 98512128.

The previous prime is 117611999. The next prime is 117612013. The reversal of 117612001 is 100216711.

It is not a de Polignac number, because 117612001 - 2¹ = 117611999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117612001.

It is not an unprimeable number, because it can be changed into a prime (117612091) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 1755370 + ... + 1755436.

It is an arithmetic number, because the mean of its divisors is an integer number (4369680).

Almost surely, 2^117612001 is an apocalyptic number.

It is an amenable number.

117612001 is a deficient number, since it is larger than the sum of its proper divisors (22217759).

117612001 is an equidigital number, since it uses as much as digits as its factorization.

117612001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 117612001 is about 10844.9066847069. The cubic root of 117612001 is about 489.9486285170.

Adding to 117612001 its reverse (100216711), we get a palindrome (217828712).

The spelling of 117612001 in words is "one hundred seventeen million, six hundred twelve thousand, one".