1156224252 has 48 divisors (see below), whose sum is σ = 2900298240. Its totient is φ = 357351552.

The previous prime is 1156224217. The next prime is 1156224253. The reversal of 1156224252 is 2524226511.

1156224252 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156224253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43233 + ... + 64664.

It is an arithmetic number, because the mean of its divisors is an integer number (60422880).

Almost surely, 2^1156224252 is an apocalyptic number.

1156224252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1156224252 is an abundant number, since it is smaller than the sum of its proper divisors (1744073988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156224252 is a wasteful number, since it uses less digits than its factorization.

1156224252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107970 (or 107968 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1156224252 is about 34003.2976636090. The cubic root of 1156224252 is about 1049.5763224921.

The spelling of 1156224252 in words is "one billion, one hundred fifty-six million, two hundred twenty-four thousand, two hundred fifty-two".