1130155252 has 12 divisors (see below), whose sum is σ = 2015088516. Its totient is φ = 554415680.

The previous prime is 1130155231. The next prime is 1130155261. The reversal of 1130155252 is 2525510311.

It can be written as a sum of positive squares in 2 ways, for example, as 733109776 + 397045476 = 27076^2 + 19926^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2665249 + ... + 2665672.

It is an arithmetic number, because the mean of its divisors is an integer number (167924043).

Almost surely, 2^1130155252 is an apocalyptic number.

It is an amenable number.

1130155252 is a deficient number, since it is larger than the sum of its proper divisors (884933264).

1130155252 is a wasteful number, since it uses less digits than its factorization.

1130155252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330978 (or 5330976 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1130155252 is about 33617.7817828601. The cubic root of 1130155252 is about 1041.6281364337.

Adding to 1130155252 its reverse (2525510311), we get a palindrome (3655665563).

The spelling of 1130155252 in words is "one billion, one hundred thirty million, one hundred fifty-five thousand, two hundred fifty-two".