117245620 has 24 divisors (see below), whose sum is σ = 247005864. Its totient is φ = 46747776.

The previous prime is 117245603. The next prime is 117245629. The reversal of 117245620 is 26542711.

It can be written as a sum of positive squares in 4 ways, for example, as 36 + 117245584 = 6^2 + 10828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117245629) 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, 2907 + ... + 15586.

It is an arithmetic number, because the mean of its divisors is an integer number (10291911).

Almost surely, 2^117245620 is an apocalyptic number.

117245620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117245620 is an abundant number, since it is smaller than the sum of its proper divisors (129760244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117245620 is a wasteful number, since it uses less digits than its factorization.

117245620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18819 (or 18817 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 117245620 is about 10828.0016623567. The cubic root of 117245620 is about 489.4393420802.

The spelling of 117245620 in words is "one hundred seventeen million, two hundred forty-five thousand, six hundred twenty".