1252734775 has 12 divisors (see below), whose sum is σ = 1556197272. Its totient is φ = 1000377440.

The previous prime is 1252734773. The next prime is 1252734797. The reversal of 1252734775 is 5774372521.

It is not a de Polignac number, because 1252734775 - 2¹ = 1252734773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252734773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31057 + ... + 58906.

It is an arithmetic number, because the mean of its divisors is an integer number (129683106).

Almost surely, 2^1252734775 is an apocalyptic number.

1252734775 is a deficient number, since it is larger than the sum of its proper divisors (303462497).

1252734775 is an equidigital number, since it uses as much as digits as its factorization.

1252734775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90530 (or 90525 counting only the distinct ones).

The product of its digits is 411600, while the sum is 43.

The square root of 1252734775 is about 35393.9934875962. The cubic root of 1252734775 is about 1078.0023586884.

The spelling of 1252734775 in words is "one billion, two hundred fifty-two million, seven hundred thirty-four thousand, seven hundred seventy-five".