1252563115 has 8 divisors (see below), whose sum is σ = 1517958288. Its totient is φ = 992128800.

The previous prime is 1252563107. The next prime is 1252563119. The reversal of 1252563115 is 5113652521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252563115 - 2³ = 1252563107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252563119) 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, 1239657 + ... + 1240666.

It is an arithmetic number, because the mean of its divisors is an integer number (189744786).

Almost surely, 2^1252563115 is an apocalyptic number.

1252563115 is a deficient number, since it is larger than the sum of its proper divisors (265395173).

1252563115 is a wasteful number, since it uses less digits than its factorization.

1252563115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480429.

The product of its digits is 9000, while the sum is 31.

The square root of 1252563115 is about 35391.5684167854. The cubic root of 1252563115 is about 1077.9531175290.

The spelling of 1252563115 in words is "one billion, two hundred fifty-two million, five hundred sixty-three thousand, one hundred fifteen".