112743122 has 4 divisors (see below), whose sum is σ = 169114686. Its totient is φ = 56371560.

The previous prime is 112743109. The next prime is 112743143. The reversal of 112743122 is 221347211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76755121 + 35988001 = 8761^2 + 5999^2 .

It is a super-2 number, since 2×112743122² = 25422023116613768, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 28185779 + ... + 28185782.

Almost surely, 2^112743122 is an apocalyptic number.

112743122 is a deficient number, since it is larger than the sum of its proper divisors (56371564).

112743122 is an equidigital number, since it uses as much as digits as its factorization.

112743122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56371563.

The product of its digits is 672, while the sum is 23.

The square root of 112743122 is about 10618.0564134874. The cubic root of 112743122 is about 483.0921927787.

The spelling of 112743122 in words is "one hundred twelve million, seven hundred forty-three thousand, one hundred twenty-two".