1042113599 has 4 divisors (see below), whose sum is σ = 1049107800. Its totient is φ = 1035119400.

The previous prime is 1042113551. The next prime is 1042113623. The reversal of 1042113599 is 9953112401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9953112401 = 769 ⋅12942929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042113599 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 (1042113899) 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, 3496877 + ... + 3497174.

It is an arithmetic number, because the mean of its divisors is an integer number (262276950).

Almost surely, 2^1042113599 is an apocalyptic number.

1042113599 is a deficient number, since it is larger than the sum of its proper divisors (6994201).

1042113599 is an equidigital number, since it uses as much as digits as its factorization.

1042113599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994200.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1042113599 is about 32281.7843218122. The cubic root of 1042113599 is about 1013.8452896116.

The spelling of 1042113599 in words is "one billion, forty-two million, one hundred thirteen thousand, five hundred ninety-nine".