117151420 has 96 divisors (see below), whose sum is σ = 276950016. Its totient is φ = 41395200.

The previous prime is 117151417. The next prime is 117151421. The reversal of 117151420 is 24151711.

It is a junction number, because it is equal to n+sod(n) for n = 117151391 and 117151400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117151421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555115 + ... + 555325.

It is an arithmetic number, because the mean of its divisors is an integer number (2884896).

Almost surely, 2^117151420 is an apocalyptic number.

117151420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117151420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138475008).

117151420 is an abundant number, since it is smaller than the sum of its proper divisors (159798596).

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

117151420 is a wasteful number, since it uses less digits than its factorization.

117151420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 117151420 is about 10823.6509551999. The cubic root of 117151420 is about 489.3082283291.

The spelling of 117151420 in words is "one hundred seventeen million, one hundred fifty-one thousand, four hundred twenty".