1020713245 has 16 divisors (see below), whose sum is σ = 1258242048. Its totient is φ = 794424960.

The previous prime is 1020713233. The next prime is 1020713263. The reversal of 1020713245 is 5423170201.

It is a happy number.

It is not a de Polignac number, because 1020713245 - 2¹⁵ = 1020680477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68452 + ... + 82018.

It is an arithmetic number, because the mean of its divisors is an integer number (78640128).

Almost surely, 2^1020713245 is an apocalyptic number.

It is an amenable number.

1020713245 is a deficient number, since it is larger than the sum of its proper divisors (237528803).

1020713245 is a wasteful number, since it uses less digits than its factorization.

1020713245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13980.

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

The square root of 1020713245 is about 31948.6031776039. The cubic root of 1020713245 is about 1006.8572851583.

Adding to 1020713245 its reverse (5423170201), we get a palindrome (6443883446).

The spelling of 1020713245 in words is "one billion, twenty million, seven hundred thirteen thousand, two hundred forty-five".