112992890 has 16 divisors (see below), whose sum is σ = 203939208. Its totient is φ = 45074496.

The previous prime is 112992889. The next prime is 112992899. The reversal of 112992890 is 98299211.

It can be written as a sum of positive squares in 4 ways, for example, as 88717561 + 24275329 = 9419^2 + 4927^2 .

It is not an unprimeable number, because it can be changed into a prime (112992899) 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, 11417 + ... + 18876.

Almost surely, 2^112992890 is an apocalyptic number.

112992890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112992890 is a deficient number, since it is larger than the sum of its proper divisors (90946318).

112992890 is a wasteful number, since it uses less digits than its factorization.

112992890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 112992890 is about 10629.8113812052. The cubic root of 112992890 is about 483.4486726986.

The spelling of 112992890 in words is "one hundred twelve million, nine hundred ninety-two thousand, eight hundred ninety".