1252112747 has 8 divisors (see below), whose sum is σ = 1331052912. Its totient is φ = 1173760000.

The previous prime is 1252112707. The next prime is 1252112767. The reversal of 1252112747 is 7472112521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252112747 - 2²⁴ = 1235335531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252112707) 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, 142454 + ... + 150987.

It is an arithmetic number, because the mean of its divisors is an integer number (166381614).

Almost surely, 2^1252112747 is an apocalyptic number.

1252112747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1252112747 is a deficient number, since it is larger than the sum of its proper divisors (78940165).

1252112747 is a wasteful number, since it uses less digits than its factorization.

1252112747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293709.

The product of its digits is 7840, while the sum is 32.

The square root of 1252112747 is about 35385.2051993485. The cubic root of 1252112747 is about 1077.8239067982.

The spelling of 1252112747 in words is "one billion, two hundred fifty-two million, one hundred twelve thousand, seven hundred forty-seven".