1010042245 has 4 divisors (see below), whose sum is σ = 1212050700. Its totient is φ = 808033792.

The previous prime is 1010042191. The next prime is 1010042273. The reversal of 1010042245 is 5422400101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 772450849 + 237591396 = 27793^2 + 15414^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010042245 - 2⁹ = 1010041733 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, 101004220 + ... + 101004229.

It is an arithmetic number, because the mean of its divisors is an integer number (303012675).

Almost surely, 2^1010042245 is an apocalyptic number.

It is an amenable number.

1010042245 is a deficient number, since it is larger than the sum of its proper divisors (202008455).

1010042245 is an equidigital number, since it uses as much as digits as its factorization.

1010042245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202008454.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1010042245 is about 31781.1617943712. The cubic root of 1010042245 is about 1003.3362719114.

Adding to 1010042245 its reverse (5422400101), we get a palindrome (6432442346).

The spelling of 1010042245 in words is "one billion, ten million, forty-two thousand, two hundred forty-five".