117203146 has 8 divisors (see below), whose sum is σ = 178784640. Its totient is φ = 57608268.

The previous prime is 117203137. The next prime is 117203159. The reversal of 117203146 is 641302711.

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

It is a self number, because there is not a number n which added to its sum of digits gives 117203146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496506 + ... + 496741.

It is an arithmetic number, because the mean of its divisors is an integer number (22348080).

Almost surely, 2^117203146 is an apocalyptic number.

117203146 is a deficient number, since it is larger than the sum of its proper divisors (61581494).

117203146 is an equidigital number, since it uses as much as digits as its factorization.

117203146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993308.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 117203146 is about 10826.0401809711. The cubic root of 117203146 is about 489.3802326726.

Adding to 117203146 its reverse (641302711), we get a palindrome (758505857).

The spelling of 117203146 in words is "one hundred seventeen million, two hundred three thousand, one hundred forty-six".