1253267115 has 32 divisors (see below), whose sum is σ = 2139955200. Its totient is φ = 624121344.

The previous prime is 1253267111. The next prime is 1253267123. The reversal of 1253267115 is 5117623521.

It is not a de Polignac number, because 1253267115 - 2² = 1253267111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253267111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13036 + ... + 51734.

It is an arithmetic number, because the mean of its divisors is an integer number (66873600).

Almost surely, 2^1253267115 is an apocalyptic number.

1253267115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253267115 is a deficient number, since it is larger than the sum of its proper divisors (886688085).

1253267115 is a wasteful number, since it uses less digits than its factorization.

1253267115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38851.

The product of its digits is 12600, while the sum is 33.

The square root of 1253267115 is about 35401.5128914006. The cubic root of 1253267115 is about 1078.1550333326.

The spelling of 1253267115 in words is "one billion, two hundred fifty-three million, two hundred sixty-seven thousand, one hundred fifteen".