1121224110 has 32 divisors (see below), whose sum is σ = 2716094592. Its totient is φ = 296197920.

The previous prime is 1121224109. The next prime is 1121224157. The reversal of 1121224110 is 114221211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1121224110.

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, 171436 + ... + 177855.

It is an arithmetic number, because the mean of its divisors is an integer number (84877956).

Almost surely, 2^1121224110 is an apocalyptic number.

1121224110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121224110 is an abundant number, since it is smaller than the sum of its proper divisors (1594870482).

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

1121224110 is a wasteful number, since it uses less digits than its factorization.

1121224110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349408.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1121224110 is about 33484.6847080871. The cubic root of 1121224110 is about 1038.8770268991.

Adding to 1121224110 its reverse (114221211), we get a palindrome (1235445321).

The spelling of 1121224110 in words is "one billion, one hundred twenty-one million, two hundred twenty-four thousand, one hundred ten".