1120121600 has 108 divisors (see below), whose sum is σ = 2985965136. Its totient is φ = 413552640.

The previous prime is 1120121593. The next prime is 1120121617. The reversal of 1120121600 is 61210211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76469 + ... + 89931.

Almost surely, 2^1120121600 is an apocalyptic number.

1120121600 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 1120121600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492982568).

1120121600 is an abundant number, since it is smaller than the sum of its proper divisors (1865843536).

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

1120121600 is a wasteful number, since it uses less digits than its factorization.

1120121600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13502 (or 13483 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1120121600 is about 33468.2177595402. The cubic root of 1120121600 is about 1038.5364027770.

Adding to 1120121600 its reverse (61210211), we get a palindrome (1181331811).

The spelling of 1120121600 in words is "one billion, one hundred twenty million, one hundred twenty-one thousand, six hundred".