1121132000 has 96 divisors (see below), whose sum is σ = 2768429664. Its totient is φ = 446208000.

The previous prime is 1121131981. The next prime is 1121132027. The reversal of 1121132000 is 2311211.

It is a super-2 number, since 2×1121132000² = 2513873922848000000, which contains 22 as substring.

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, 963419 + ... + 964581.

It is an arithmetic number, because the mean of its divisors is an integer number (28837809).

Almost surely, 2^1121132000 is an apocalyptic number.

1121132000 is a gapful number since it is divisible by the number (10) 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 1121132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384214832).

1121132000 is an abundant number, since it is smaller than the sum of its proper divisors (1647297664).

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

1121132000 is a wasteful number, since it uses less digits than its factorization.

1121132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1121132000 is about 33483.3092749208. The cubic root of 1121132000 is about 1038.8485777596.

Adding to 1121132000 its reverse (2311211), we get a palindrome (1123443211).

The spelling of 1121132000 in words is "one billion, one hundred twenty-one million, one hundred thirty-two thousand".