1131626052 has 90 divisors (see below), whose sum is σ = 3064559498. Its totient is φ = 364113792.

The previous prime is 1131626039. The next prime is 1131626053. The reversal of 1131626052 is 2506261311.

1131626052 is a `hidden beast` number, since 1 + 1 + 31 + 626 + 0 + 5 + 2 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 7096896 + 1124529156 = 2664^2 + 33534^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1131626053) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 270408 + ... + 274560.

Almost surely, 2^1131626052 is an apocalyptic number.

1131626052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131626052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532279749).

1131626052 is an abundant number, since it is smaller than the sum of its proper divisors (1932933446).

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

1131626052 is a wasteful number, since it uses less digits than its factorization.

1131626052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1131626052 is about 33639.6499981792. The cubic root of 1131626052 is about 1042.0798037422.

Adding to 1131626052 its reverse (2506261311), we get a palindrome (3637887363).

The spelling of 1131626052 in words is "one billion, one hundred thirty-one million, six hundred twenty-six thousand, fifty-two".