117246820 has 48 divisors (see below), whose sum is σ = 250992000. Its totient is φ = 45999360.

The previous prime is 117246817. The next prime is 117246827. The reversal of 117246820 is 28642711.

It is a super-2 number, since 2×117246820² = 27493633600224800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117246827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354055 + ... + 354385.

It is an arithmetic number, because the mean of its divisors is an integer number (5229000).

Almost surely, 2^117246820 is an apocalyptic number.

117246820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117246820 is an abundant number, since it is smaller than the sum of its proper divisors (133745180).

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

117246820 is a wasteful number, since it uses less digits than its factorization.

117246820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 117246820 is about 10828.0570741015. The cubic root of 117246820 is about 489.4410118660.

The spelling of 117246820 in words is "one hundred seventeen million, two hundred forty-six thousand, eight hundred twenty".