1131062164 has 12 divisors (see below), whose sum is σ = 1987573588. Its totient is φ = 563184000.

The previous prime is 1131062161. The next prime is 1131062201. The reversal of 1131062164 is 4612601311.

It can be written as a sum of positive squares in 2 ways, for example, as 859076100 + 271986064 = 29310^2 + 16492^2 .

It is a hoax number, since the sum of its digits (25) 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 (1131062161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585687 + ... + 587614.

Almost surely, 2^1131062164 is an apocalyptic number.

It is an amenable number.

1131062164 is a deficient number, since it is larger than the sum of its proper divisors (856511424).

1131062164 is a wasteful number, since it uses less digits than its factorization.

1131062164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173546 (or 1173544 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1131062164 is about 33631.2676537772. The cubic root of 1131062164 is about 1041.9066859161.

Adding to 1131062164 its reverse (4612601311), we get a palindrome (5743663475).

The spelling of 1131062164 in words is "one billion, one hundred thirty-one million, sixty-two thousand, one hundred sixty-four".