117925090 has 16 divisors (see below), whose sum is σ = 224751672. Its totient is φ = 44395264.

The previous prime is 117925081. The next prime is 117925091. The reversal of 117925090 is 90529711.

It can be written as a sum of positive squares in 4 ways, for example, as 72403081 + 45522009 = 8509^2 + 6747^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (117925091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346669 + ... + 347008.

Almost surely, 2^117925090 is an apocalyptic number.

117925090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117925090 is a deficient number, since it is larger than the sum of its proper divisors (106826582).

117925090 is a wasteful number, since it uses less digits than its factorization.

117925090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693701.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 117925090 is about 10859.3319315693. The cubic root of 117925090 is about 490.3829991835.

The spelling of 117925090 in words is "one hundred seventeen million, nine hundred twenty-five thousand, ninety".