1131324634 has 16 divisors (see below), whose sum is σ = 1869591456. Its totient is φ = 509146000.

The previous prime is 1131324631. The next prime is 1131324637. The reversal of 1131324634 is 4364231311.

It is an interprime number because it is at equal distance from previous prime (1131324631) and next prime (1131324637).

It is not an unprimeable number, because it can be changed into a prime (1131324631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252352 + ... + 256795.

It is an arithmetic number, because the mean of its divisors is an integer number (116849466).

Almost surely, 2^1131324634 is an apocalyptic number.

1131324634 is a deficient number, since it is larger than the sum of its proper divisors (738266822).

1131324634 is a wasteful number, since it uses less digits than its factorization.

1131324634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509261.

The product of its digits is 5184, while the sum is 28.

The square root of 1131324634 is about 33635.1695996913. The cubic root of 1131324634 is about 1041.9872733220.

Adding to 1131324634 its reverse (4364231311), we get a palindrome (5495555945).

The spelling of 1131324634 in words is "one billion, one hundred thirty-one million, three hundred twenty-four thousand, six hundred thirty-four".