1013124403 has 4 divisors (see below), whose sum is σ = 1066446760. Its totient is φ = 959802048.

The previous prime is 1013124397. The next prime is 1013124421. The reversal of 1013124403 is 3044213101.

1013124403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3044213101 = 103 ⋅29555467.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013124403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 53322337 = 1013124403 / (1 + 0 + 1 + 3 + 1 + 2 + 4 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013124703) 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, 26661150 + ... + 26661187.

It is an arithmetic number, because the mean of its divisors is an integer number (266611690).

Almost surely, 2^1013124403 is an apocalyptic number.

1013124403 is a deficient number, since it is larger than the sum of its proper divisors (53322357).

1013124403 is an equidigital number, since it uses as much as digits as its factorization.

1013124403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53322356.

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

The square root of 1013124403 is about 31829.6151877461. The cubic root of 1013124403 is about 1004.3558004549.

Adding to 1013124403 its reverse (3044213101), we get a palindrome (4057337504).

The spelling of 1013124403 in words is "one billion, thirteen million, one hundred twenty-four thousand, four hundred three".