1121342000 has 160 divisors (see below), whose sum is σ = 2980523520. Its totient is φ = 406137600.

The previous prime is 1121341999. The next prime is 1121342011. The reversal of 1121342000 is 2431211.

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, 873359 + ... + 874641.

It is an arithmetic number, because the mean of its divisors is an integer number (18628272).

Almost surely, 2^1121342000 is an apocalyptic number.

1121342000 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 1121342000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490261760).

1121342000 is an abundant number, since it is smaller than the sum of its proper divisors (1859181520).

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

1121342000 is a wasteful number, since it uses less digits than its factorization.

1121342000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1121342000 is about 33486.4450188431. The cubic root of 1121342000 is about 1038.9134361888.

Adding to 1121342000 its reverse (2431211), we get a palindrome (1123773211).

The spelling of 1121342000 in words is "one billion, one hundred twenty-one million, three hundred forty-two thousand".