1112689450 has 12 divisors (see below), whose sum is σ = 2069602470. Its totient is φ = 445075760.

The previous prime is 1112689441. The next prime is 1112689453. The reversal of 1112689450 is 549862111.

It is a Cunningham number, because it is equal to 33357²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1025472529 + 87216921 = 32023^2 + 9339^2 .

It is not an unprimeable number, because it can be changed into a prime (1112689453) 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, 11126845 + ... + 11126944.

Almost surely, 2^1112689450 is an apocalyptic number.

1112689450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112689450 is a deficient number, since it is larger than the sum of its proper divisors (956913020).

1112689450 is a wasteful number, since it uses less digits than its factorization.

1112689450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22253801 (or 22253796 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 1112689450 is about 33357.0000149894. Note that the first 4 decimals coincide. The cubic root of 1112689450 is about 1036.2343632067.

It can be divided in two parts, 11126 and 89450, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 1112689450 in words is "one billion, one hundred twelve million, six hundred eighty-nine thousand, four hundred fifty".