1013220475 has 12 divisors (see below), whose sum is σ = 1257789040. Its totient is φ = 809676000.

The previous prime is 1013220457. The next prime is 1013220487. The reversal of 1013220475 is 5740223101.

It is a happy number.

1013220475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1013220475 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 925 + ... + 45025.

Almost surely, 2^1013220475 is an apocalyptic number.

1013220475 is a deficient number, since it is larger than the sum of its proper divisors (244568565).

1013220475 is an equidigital number, since it uses as much as digits as its factorization.

1013220475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45030 (or 45025 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1013220475 is about 31831.1243125341. The cubic root of 1013220475 is about 1004.3875462834.

Adding to 1013220475 its reverse (5740223101), we get a palindrome (6753443576).

The spelling of 1013220475 in words is "one billion, thirteen million, two hundred twenty thousand, four hundred seventy-five".