1126513264 has 40 divisors (see below), whose sum is σ = 2221866720. Its totient is φ = 553190400.

The previous prime is 1126513261. The next prime is 1126513273. The reversal of 1126513264 is 4623156211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126513261) by changing a digit.

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, 317452 + ... + 320980.

It is an arithmetic number, because the mean of its divisors is an integer number (55546668).

Almost surely, 2^1126513264 is an apocalyptic number.

It is an amenable number.

1126513264 is a deficient number, since it is larger than the sum of its proper divisors (1095353456).

1126513264 is a wasteful number, since it uses less digits than its factorization.

1126513264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889 (or 3883 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1126513264 is about 33563.5704894458. The cubic root of 1126513264 is about 1040.5080308837.

Adding to 1126513264 its reverse (4623156211), we get a palindrome (5749669475).

The spelling of 1126513264 in words is "one billion, one hundred twenty-six million, five hundred thirteen thousand, two hundred sixty-four".