1122051840 has 576 divisors, whose sum is σ = 4670131200. Its totient is φ = 224280576.

The previous prime is 1122051823. The next prime is 1122051863. The reversal of 1122051840 is 481502211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1122051840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59055351 + ... + 59055369.

Almost surely, 2^1122051840 is an apocalyptic number.

1122051840 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 1122051840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2335065600).

1122051840 is an abundant number, since it is smaller than the sum of its proper divisors (3548079360).

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

1122051840 is an equidigital number, since it uses as much as digits as its factorization.

1122051840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 1122051840 is about 33497.0422574889. The cubic root of 1122051840 is about 1039.1326101063.

The spelling of 1122051840 in words is "one billion, one hundred twenty-two million, fifty-one thousand, eight hundred forty".