1122700320 has 288 divisors, whose sum is σ = 4418039808. Its totient is φ = 254306304.

The previous prime is 1122700297. The next prime is 1122700339. The reversal of 1122700320 is 230072211.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a junction number, because it is equal to n+sod(n) for n = 1122700293 and 1122700302.

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 47 ways as a sum of consecutive naturals, for example, 1279722 + ... + 1280598.

It is an arithmetic number, because the mean of its divisors is an integer number (15340416).

Almost surely, 2^1122700320 is an apocalyptic number.

1122700320 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 1122700320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2209019904).

1122700320 is an abundant number, since it is smaller than the sum of its proper divisors (3295339488).

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

1122700320 is a wasteful number, since it uses less digits than its factorization.

1122700320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1122700320 is about 33506.7205199196. The cubic root of 1122700320 is about 1039.3327574068.

Adding to 1122700320 its reverse (230072211), we get a palindrome (1352772531).

The spelling of 1122700320 in words is "one billion, one hundred twenty-two million, seven hundred thousand, three hundred twenty".