1252274115 has 16 divisors (see below), whose sum is σ = 2037600000. Its totient is φ = 656559072.

The previous prime is 1252274113. The next prime is 1252274137. The reversal of 1252274115 is 5114722521.

It is a happy number.

It is not a de Polignac number, because 1252274115 - 2¹ = 1252274113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252274113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706615 + ... + 708384.

It is an arithmetic number, because the mean of its divisors is an integer number (127350000).

Almost surely, 2^1252274115 is an apocalyptic number.

1252274115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252274115 is a deficient number, since it is larger than the sum of its proper divisors (785325885).

1252274115 is a wasteful number, since it uses less digits than its factorization.

1252274115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415066.

The product of its digits is 5600, while the sum is 30.

The square root of 1252274115 is about 35387.4852878811. The cubic root of 1252274115 is about 1077.8702068931.

Adding to 1252274115 its reverse (5114722521), we get a palindrome (6366996636).

The spelling of 1252274115 in words is "one billion, two hundred fifty-two million, two hundred seventy-four thousand, one hundred fifteen".