1131204652 has 24 divisors (see below), whose sum is σ = 2027483136. Its totient is φ = 552035328.

The previous prime is 1131204631. The next prime is 1131204689. The reversal of 1131204652 is 2564021311.

It is a happy number.

It is a super-2 number, since 2×1131204652² = 2559247929412882208, which contains 22 as substring.

It is an unprimeable number.

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, 27093 + ... + 54739.

It is an arithmetic number, because the mean of its divisors is an integer number (84478464).

Almost surely, 2^1131204652 is an apocalyptic number.

It is an amenable number.

1131204652 is a deficient number, since it is larger than the sum of its proper divisors (896278484).

1131204652 is a wasteful number, since it uses less digits than its factorization.

1131204652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27897 (or 27895 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1131204652 is about 33633.3859728693. The cubic root of 1131204652 is about 1041.9504362277.

Adding to 1131204652 its reverse (2564021311), we get a palindrome (3695225963).

The spelling of 1131204652 in words is "one billion, one hundred thirty-one million, two hundred four thousand, six hundred fifty-two".