1121413000 has 128 divisors (see below), whose sum is σ = 2712528000. Its totient is φ = 433747200.

The previous prime is 1121412991. The next prime is 1121413019. The reversal of 1121413000 is 3141211.

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, 4896886 + ... + 4897114.

It is an arithmetic number, because the mean of its divisors is an integer number (21191625).

Almost surely, 2^1121413000 is an apocalyptic number.

1121413000 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 1121413000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356264000).

1121413000 is an abundant number, since it is smaller than the sum of its proper divisors (1591115000).

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

1121413000 is a wasteful number, since it uses less digits than its factorization.

1121413000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1121413000 is about 33487.5051325117. The cubic root of 1121413000 is about 1038.9353626832.

Adding to 1121413000 its reverse (3141211), we get a palindrome (1124554211).

The spelling of 1121413000 in words is "one billion, one hundred twenty-one million, four hundred thirteen thousand".