112997428 has 12 divisors (see below), whose sum is σ = 199073700. Its totient is φ = 56119232.

The previous prime is 112997407. The next prime is 112997461. The reversal of 112997428 is 824799211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5626384 + 107371044 = 2372^2 + 10362^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 94201 + ... + 95392.

It is an arithmetic number, because the mean of its divisors is an integer number (16589475).

Almost surely, 2^112997428 is an apocalyptic number.

It is an amenable number.

112997428 is a deficient number, since it is larger than the sum of its proper divisors (86076272).

112997428 is a wasteful number, since it uses less digits than its factorization.

112997428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189746 (or 189744 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The square root of 112997428 is about 10630.0248353426. The cubic root of 112997428 is about 483.4551446713.

The spelling of 112997428 in words is "one hundred twelve million, nine hundred ninety-seven thousand, four hundred twenty-eight".