1013123404 has 6 divisors (see below), whose sum is σ = 1772965964. Its totient is φ = 506561700.

The previous prime is 1013123359. The next prime is 1013123411. The reversal of 1013123404 is 4043213101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126640422 + ... + 126640429.

Almost surely, 2^1013123404 is an apocalyptic number.

It is an amenable number.

1013123404 is a deficient number, since it is larger than the sum of its proper divisors (759842560).

1013123404 is a wasteful number, since it uses less digits than its factorization.

1013123404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253280855 (or 253280853 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1013123404 is about 31829.5994948099. The cubic root of 1013123404 is about 1004.3554703369.

Adding to 1013123404 its reverse (4043213101), we get a palindrome (5056336505).

The spelling of 1013123404 in words is "one billion, thirteen million, one hundred twenty-three thousand, four hundred four".