1147751252 has 24 divisors (see below), whose sum is σ = 2065278600. Its totient is φ = 557870976.

The previous prime is 1147751237. The next prime is 1147751257. The reversal of 1147751252 is 2521577411.

It can be written as a sum of positive squares in 4 ways, for example, as 122855056 + 1024896196 = 11084^2 + 32014^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147751257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727 + ... + 47942.

It is an arithmetic number, because the mean of its divisors is an integer number (86053275).

Almost surely, 2^1147751252 is an apocalyptic number.

It is an amenable number.

1147751252 is a deficient number, since it is larger than the sum of its proper divisors (917527348).

1147751252 is a wasteful number, since it uses less digits than its factorization.

1147751252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49835 (or 49833 counting only the distinct ones).

The product of its digits is 19600, while the sum is 35.

The square root of 1147751252 is about 33878.4777107827. The cubic root of 1147751252 is about 1047.0062119781.

The spelling of 1147751252 in words is "one billion, one hundred forty-seven million, seven hundred fifty-one thousand, two hundred fifty-two".