1122203160 has 384 divisors, whose sum is σ = 4160782080. Its totient is φ = 270355968.

The previous prime is 1122203107. The next prime is 1122203219. The reversal of 1122203160 is 613022211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10487827 + ... + 10487933.

It is an arithmetic number, because the mean of its divisors is an integer number (10835370).

Almost surely, 2^1122203160 is an apocalyptic number.

1122203160 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 1122203160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080391040).

1122203160 is an abundant number, since it is smaller than the sum of its proper divisors (3038578920).

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

1122203160 is a wasteful number, since it uses less digits than its factorization.

1122203160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1122203160 is about 33499.3008882275. The cubic root of 1122203160 is about 1039.1793205087.

Adding to 1122203160 its reverse (613022211), we get a palindrome (1735225371).

It can be divided in two parts, 1 and 122203160, that added together give a triangular number (122203161 = T₁₅₆₃₃).

The spelling of 1122203160 in words is "one billion, one hundred twenty-two million, two hundred three thousand, one hundred sixty".