1254202130 has 16 divisors (see below), whose sum is σ = 2263374360. Its totient is φ = 500389632.

The previous prime is 1254202129. The next prime is 1254202153. The reversal of 1254202130 is 312024521.

It can be written as a sum of positive squares in 4 ways, for example, as 378574849 + 875627281 = 19457^2 + 29591^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157319 + ... + 165098.

Almost surely, 2^1254202130 is an apocalyptic number.

1254202130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1254202130 is a deficient number, since it is larger than the sum of its proper divisors (1009172230).

1254202130 is a wasteful number, since it uses less digits than its factorization.

1254202130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322813.

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

The square root of 1254202130 is about 35414.7162913950. The cubic root of 1254202130 is about 1078.4230901900.

Adding to 1254202130 its reverse (312024521), we get a palindrome (1566226651).

The spelling of 1254202130 in words is "one billion, two hundred fifty-four million, two hundred two thousand, one hundred thirty".