117204451 has 8 divisors (see below), whose sum is σ = 144251744. Its totient is φ = 92733120.

The previous prime is 117204449. The next prime is 117204463. The reversal of 117204451 is 154402711.

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 117204451 - 2¹ = 117204449 is a prime.

It is a super-2 number, since 2×117204451² = 27473766668422802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117204401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643890 + ... + 644071.

It is an arithmetic number, because the mean of its divisors is an integer number (18031468).

Almost surely, 2^117204451 is an apocalyptic number.

117204451 is a deficient number, since it is larger than the sum of its proper divisors (27047293).

117204451 is a wasteful number, since it uses less digits than its factorization.

117204451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287981.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 117204451 is about 10826.1004521480. The cubic root of 117204451 is about 489.3820490028.

The spelling of 117204451 in words is "one hundred seventeen million, two hundred four thousand, four hundred fifty-one".