1131461232 has 80 divisors (see below), whose sum is σ = 3193462272. Its totient is φ = 342351360.

The previous prime is 1131461213. The next prime is 1131461249. The reversal of 1131461232 is 2321641311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493593 + ... + 495879.

Almost surely, 2^1131461232 is an apocalyptic number.

1131461232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131461232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596731136).

1131461232 is an abundant number, since it is smaller than the sum of its proper divisors (2062001040).

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

1131461232 is a wasteful number, since it uses less digits than its factorization.

1131461232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246 (or 3240 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1131461232 is about 33637.2001212943. The cubic root of 1131461232 is about 1042.0292087209.

The spelling of 1131461232 in words is "one billion, one hundred thirty-one million, four hundred sixty-one thousand, two hundred thirty-two".