1121243610 has 64 divisors (see below), whose sum is σ = 2717971200. Its totient is φ = 296017920.

The previous prime is 1121243587. The next prime is 1121243659. The reversal of 1121243610 is 163421211.

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, 1748890 + ... + 1749530.

It is an arithmetic number, because the mean of its divisors is an integer number (42468300).

Almost surely, 2^1121243610 is an apocalyptic number.

1121243610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121243610 is an abundant number, since it is smaller than the sum of its proper divisors (1596727590).

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

1121243610 is a wasteful number, since it uses less digits than its factorization.

1121243610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1121243610 is about 33484.9758847158. The cubic root of 1121243610 is about 1038.8830494788.

Adding to 1121243610 its reverse (163421211), we get a palindrome (1284664821).

The spelling of 1121243610 in words is "one billion, one hundred twenty-one million, two hundred forty-three thousand, six hundred ten".