1251146130 has 64 divisors (see below), whose sum is σ = 3345269760. Its totient is φ = 297351936.

The previous prime is 1251146077. The next prime is 1251146177. The reversal of 1251146130 is 316411521.

It is a happy number.

It is a super-2 number, since 2×1251146130² = 3130733277227953800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1251146130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44002 + ... + 66621.

It is an arithmetic number, because the mean of its divisors is an integer number (52269840).

Almost surely, 2^1251146130 is an apocalyptic number.

1251146130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1251146130 is an abundant number, since it is smaller than the sum of its proper divisors (2094123630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1251146130 is a wasteful number, since it uses less digits than its factorization.

1251146130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110675.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1251146130 is about 35371.5440714708. The cubic root of 1251146130 is about 1077.5464794057.

Adding to 1251146130 its reverse (316411521), we get a palindrome (1567557651).

The spelling of 1251146130 in words is "one billion, two hundred fifty-one million, one hundred forty-six thousand, one hundred thirty".