1131741772 has 24 divisors (see below), whose sum is σ = 2361897216. Its totient is φ = 463943568.

The previous prime is 1131741757. The next prime is 1131741773. The reversal of 1131741772 is 2771471311.

It is not an unprimeable number, because it can be changed into a prime (1131741773) 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, 878038 + ... + 879325.

It is an arithmetic number, because the mean of its divisors is an integer number (98412384).

Almost surely, 2^1131741772 is an apocalyptic number.

It is an amenable number.

1131741772 is an abundant number, since it is smaller than the sum of its proper divisors (1230155444).

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

1131741772 is a wasteful number, since it uses less digits than its factorization.

1131741772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757397 (or 1757395 counting only the distinct ones).

The product of its digits is 8232, while the sum is 34.

The square root of 1131741772 is about 33641.3699483240. The cubic root of 1131741772 is about 1042.1153235338.

The spelling of 1131741772 in words is "one billion, one hundred thirty-one million, seven hundred forty-one thousand, seven hundred seventy-two".