250042130 has 16 divisors (see below), whose sum is σ = 484697304. Its totient is φ = 92323200.

The previous prime is 250042127. The next prime is 250042139. The reversal of 250042130 is 31240052.

It can be written as a sum of positive squares in 4 ways, for example, as 84842521 + 165199609 = 9211^2 + 12853^2 .

It is a junction number, because it is equal to n+sod(n) for n = 250042099 and 250042108.

It is not an unprimeable number, because it can be changed into a prime (250042139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961571 + ... + 961830.

Almost surely, 2^250042130 is an apocalyptic number.

250042130 is a deficient number, since it is larger than the sum of its proper divisors (234655174).

250042130 is a wasteful number, since it uses less digits than its factorization.

250042130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923421.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 250042130 is about 15812.7205122964. The cubic root of 250042130 is about 629.9959099424.

Adding to 250042130 its reverse (31240052), we get a palindrome (281282182).

The spelling of 250042130 in words is "two hundred fifty million, forty-two thousand, one hundred thirty".