1112455789 has 6 divisors (see below), whose sum is σ = 1162926926. Its totient is φ = 1064087640.

The previous prime is 1112455783. The next prime is 1112455811. The reversal of 1112455789 is 9875542111.

It can be written as a sum of positive squares in only one way, i.e., 1112222500 + 233289 = 33350^2 + 483^2 .

It is not a de Polignac number, because 1112455789 - 2²¹ = 1110358637 is a prime.

It is a super-2 number, since 2×1112455789² = 2475115764959225042, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112455783) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050942 + ... + 1051999.

Almost surely, 2^1112455789 is an apocalyptic number.

It is an amenable number.

1112455789 is a deficient number, since it is larger than the sum of its proper divisors (50471137).

1112455789 is an equidigital number, since it uses as much as digits as its factorization.

1112455789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102987 (or 2102964 counting only the distinct ones).

The product of its digits is 100800, while the sum is 43.

The square root of 1112455789 is about 33353.4974028212. The cubic root of 1112455789 is about 1036.1618228981.

The spelling of 1112455789 in words is "one billion, one hundred twelve million, four hundred fifty-five thousand, seven hundred eighty-nine".