1121325210 has 96 divisors (see below), whose sum is σ = 3081162240. Its totient is φ = 282357504.

The previous prime is 1121325197. The next prime is 1121325217. The reversal of 1121325210 is 125231211.

1121325210 is a `hidden beast` number, since 1 + 12 + 132 + 521 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1121325217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160102 + ... + 166958.

It is an arithmetic number, because the mean of its divisors is an integer number (32095440).

Almost surely, 2^1121325210 is an apocalyptic number.

1121325210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121325210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540581120).

1121325210 is an abundant number, since it is smaller than the sum of its proper divisors (1959837030).

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

1121325210 is a wasteful number, since it uses less digits than its factorization.

1121325210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972 (or 6969 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1121325210 is about 33486.1943194505. The cubic root of 1121325210 is about 1038.9082509008.

Adding to 1121325210 its reverse (125231211), we get a palindrome (1246556421).

The spelling of 1121325210 in words is "one billion, one hundred twenty-one million, three hundred twenty-five thousand, two hundred ten".