112399290 has 24 divisors (see below), whose sum is σ = 292238388. Its totient is φ = 29973120.

The previous prime is 112399279. The next prime is 112399297. The reversal of 112399290 is 92993211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 112084569 + 314721 = 10587^2 + 561^2 .

It is not an unprimeable number, because it can be changed into a prime (112399297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624351 + ... + 624530.

Almost surely, 2^112399290 is an apocalyptic number.

112399290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112399290 is an abundant number, since it is smaller than the sum of its proper divisors (179839098).

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

112399290 is a wasteful number, since it uses less digits than its factorization.

112399290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248894 (or 1248891 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 112399290 is about 10601.8531398996. The cubic root of 112399290 is about 482.6005982804.

The spelling of 112399290 in words is "one hundred twelve million, three hundred ninety-nine thousand, two hundred ninety".