1122242160 has 320 divisors, whose sum is σ = 3975745536. Its totient is φ = 259891200.

The previous prime is 1122242159. The next prime is 1122242167. The reversal of 1122242160 is 612422211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122242167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3965379 + ... + 3965661.

Almost surely, 2^1122242160 is an apocalyptic number.

1122242160 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 1122242160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987872768).

1122242160 is an abundant number, since it is smaller than the sum of its proper divisors (2853503376).

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

1122242160 is a wasteful number, since it uses less digits than its factorization.

1122242160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1122242160 is about 33499.8829848703. The cubic root of 1122242160 is about 1039.1913585916.

Adding to 1122242160 its reverse (612422211), we get a palindrome (1734664371).

The spelling of 1122242160 in words is "one billion, one hundred twenty-two million, two hundred forty-two thousand, one hundred sixty".