1131202032 has 160 divisors (see below), whose sum is σ = 3207080448. Its totient is φ = 342171648.

The previous prime is 1131202003. The next prime is 1131202129. The reversal of 1131202032 is 2302021311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3613908 + ... + 3614220.

Almost surely, 2^1131202032 is an apocalyptic number.

1131202032 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 1131202032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603540224).

1131202032 is an abundant number, since it is smaller than the sum of its proper divisors (2075878416).

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

1131202032 is a wasteful number, since it uses less digits than its factorization.

1131202032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1131202032 is about 33633.3470234528. The cubic root of 1131202032 is about 1041.9496318014.

Adding to 1131202032 its reverse (2302021311), we get a palindrome (3433223343).

The spelling of 1131202032 in words is "one billion, one hundred thirty-one million, two hundred two thousand, thirty-two".