1156423252 has 24 divisors (see below), whose sum is σ = 2081705472. Its totient is φ = 561792000.

The previous prime is 1156423243. The next prime is 1156423253. The reversal of 1156423252 is 2523246511.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156423253) 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, 15252 + ... + 50452.

It is an arithmetic number, because the mean of its divisors is an integer number (86737728).

Almost surely, 2^1156423252 is an apocalyptic number.

It is an amenable number.

1156423252 is a deficient number, since it is larger than the sum of its proper divisors (925282220).

1156423252 is a wasteful number, since it uses less digits than its factorization.

1156423252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35439 (or 35437 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 1156423252 is about 34006.2237244890. The cubic root of 1156423252 is about 1049.6365339105.

Adding to 1156423252 its reverse (2523246511), we get a palindrome (3679669763).

The spelling of 1156423252 in words is "one billion, one hundred fifty-six million, four hundred twenty-three thousand, two hundred fifty-two".