117245651 has 8 divisors (see below), whose sum is σ = 129540384. Its totient is φ = 105550720.

The previous prime is 117245647. The next prime is 117245657. The reversal of 117245651 is 156542711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117245651 - 2² = 117245647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117245657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149540 + ... + 150321.

It is an arithmetic number, because the mean of its divisors is an integer number (16192548).

Almost surely, 2^117245651 is an apocalyptic number.

117245651 is a deficient number, since it is larger than the sum of its proper divisors (12294733).

117245651 is a wasteful number, since it uses less digits than its factorization.

117245651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299901.

The product of its digits is 8400, while the sum is 32.

The square root of 117245651 is about 10828.0030938304. The cubic root of 117245651 is about 489.4393852165.

The spelling of 117245651 in words is "one hundred seventeen million, two hundred forty-five thousand, six hundred fifty-one".