1112052731 has 4 divisors (see below), whose sum is σ = 1133034912. Its totient is φ = 1091070552.

The previous prime is 1112052719. The next prime is 1112052749. The reversal of 1112052731 is 1372502111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112052731 - 2¹⁴ = 1112036347 is a prime.

It is a super-2 number, since 2×1112052731² = 2473322553049116722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112052697 and 1112052706.

It is not an unprimeable number, because it can be changed into a prime (1112052031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10491011 + ... + 10491116.

It is an arithmetic number, because the mean of its divisors is an integer number (283258728).

Almost surely, 2^1112052731 is an apocalyptic number.

1112052731 is a deficient number, since it is larger than the sum of its proper divisors (20982181).

1112052731 is an equidigital number, since it uses as much as digits as its factorization.

1112052731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20982180.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1112052731 is about 33347.4546404969. The cubic root of 1112052731 is about 1036.0366692322.

Adding to 1112052731 its reverse (1372502111), we get a palindrome (2484554842).

The spelling of 1112052731 in words is "one billion, one hundred twelve million, fifty-two thousand, seven hundred thirty-one".