117387045 has 12 divisors (see below), whose sum is σ = 203470956. Its totient is φ = 62606400.

The previous prime is 117387019. The next prime is 117387047. The reversal of 117387045 is 540783711.

It can be written as a sum of positive squares in 2 ways, for example, as 26718561 + 90668484 = 5169^2 + 9522^2 .

It is not a de Polignac number, because 117387045 - 2¹⁴ = 117370661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117387047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1304256 + ... + 1304345.

It is an arithmetic number, because the mean of its divisors is an integer number (16955913).

Almost surely, 2^117387045 is an apocalyptic number.

117387045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117387045 is a deficient number, since it is larger than the sum of its proper divisors (86083911).

117387045 is a wasteful number, since it uses less digits than its factorization.

117387045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608612 (or 2608609 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 117387045 is about 10834.5302159346. The cubic root of 117387045 is about 489.6360548908.

The spelling of 117387045 in words is "one hundred seventeen million, three hundred eighty-seven thousand, forty-five".