1125877764 has 48 divisors (see below), whose sum is σ = 2867860800. Its totient is φ = 340938240.

The previous prime is 1125877763. The next prime is 1125877769. The reversal of 1125877764 is 4677785211.

It is not an unprimeable number, because it can be changed into a prime (1125877763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324712 + ... + 328160.

It is an arithmetic number, because the mean of its divisors is an integer number (59747100).

Almost surely, 2^1125877764 is an apocalyptic number.

It is an amenable number.

1125877764 is an abundant number, since it is smaller than the sum of its proper divisors (1741983036).

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

1125877764 is a wasteful number, since it uses less digits than its factorization.

1125877764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940 (or 5938 counting only the distinct ones).

The product of its digits is 658560, while the sum is 48.

The square root of 1125877764 is about 33554.1020443105. The cubic root of 1125877764 is about 1040.3123334587.

The spelling of 1125877764 in words is "one billion, one hundred twenty-five million, eight hundred seventy-seven thousand, seven hundred sixty-four".