1113725629 has 4 divisors (see below), whose sum is σ = 1114826076. Its totient is φ = 1112625184.

The previous prime is 1113725621. The next prime is 1113725651. The reversal of 1113725629 is 9265273111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 179506404 + 934219225 = 13398^2 + 30565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113725629 - 2³ = 1113725621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113725621) 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, 548704 + ... + 550729.

It is an arithmetic number, because the mean of its divisors is an integer number (278706519).

Almost surely, 2^1113725629 is an apocalyptic number.

It is an amenable number.

1113725629 is a deficient number, since it is larger than the sum of its proper divisors (1100447).

1113725629 is a wasteful number, since it uses less digits than its factorization.

1113725629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100446.

The product of its digits is 22680, while the sum is 37.

The square root of 1113725629 is about 33372.5280582697. The cubic root of 1113725629 is about 1036.5559237765. Note that the first 3 decimals are identical.

The spelling of 1113725629 in words is "one billion, one hundred thirteen million, seven hundred twenty-five thousand, six hundred twenty-nine".