1012403045 has 4 divisors (see below), whose sum is σ = 1214883660. Its totient is φ = 809922432.

The previous prime is 1012402981. The next prime is 1012403071. The reversal of 1012403045 is 5403042101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5403042101 = 46901 ⋅115201.

It can be written as a sum of positive squares in 2 ways, for example, as 556110724 + 456292321 = 23582^2 + 21361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012403045 - 2⁶ = 1012402981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101240300 + ... + 101240309.

It is an arithmetic number, because the mean of its divisors is an integer number (303720915).

Almost surely, 2^1012403045 is an apocalyptic number.

It is an amenable number.

1012403045 is a deficient number, since it is larger than the sum of its proper divisors (202480615).

1012403045 is an equidigital number, since it uses as much as digits as its factorization.

1012403045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202480614.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1012403045 is about 31818.2816160773. The cubic root of 1012403045 is about 1004.1173723116.

Adding to 1012403045 its reverse (5403042101), we get a palindrome (6415445146).

The spelling of 1012403045 in words is "one billion, twelve million, four hundred three thousand, forty-five".