112742738 has 4 divisors (see below), whose sum is σ = 169114110. Its totient is φ = 56371368.

The previous prime is 112742723. The next prime is 112742741. The reversal of 112742738 is 837247211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837247211 = 37 ⋅22628303.

It can be written as a sum of positive squares in only one way, i.e., 109977169 + 2765569 = 10487^2 + 1663^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112742698 and 112742707.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28185683 + ... + 28185686.

Almost surely, 2^112742738 is an apocalyptic number.

112742738 is a deficient number, since it is larger than the sum of its proper divisors (56371372).

112742738 is an equidigital number, since it uses as much as digits as its factorization.

112742738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56371371.

The product of its digits is 18816, while the sum is 35.

The square root of 112742738 is about 10618.0383310666. The cubic root of 112742738 is about 483.0916443118.

Adding to 112742738 its reverse (837247211), we get a palindrome (949989949).

The spelling of 112742738 in words is "one hundred twelve million, seven hundred forty-two thousand, seven hundred thirty-eight".