1112642 has 4 divisors (see below), whose sum is σ = 1668966. Its totient is φ = 556320.

The previous prime is 1112623. The next prime is 1112651. The reversal of 1112642 is 2462111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2462111 = 233 ⋅10567.

It can be written as a sum of positive squares in only one way, i.e., 609961 + 502681 = 781^2 + 709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1112642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278159 + ... + 278162.

2^1112642 is an apocalyptic number.

1112642 is a deficient number, since it is larger than the sum of its proper divisors (556324).

1112642 is an equidigital number, since it uses as much as digits as its factorization.

1112642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556323.

The product of its digits is 96, while the sum is 17.

The square root of 1112642 is about 1054.8184677943. The cubic root of 1112642 is about 103.6219633125.

Adding to 1112642 its reverse (2462111), we get a palindrome (3574753).

The spelling of 1112642 in words is "one million, one hundred twelve thousand, six hundred forty-two".