1125422760 has 256 divisors, whose sum is σ = 4346265600. Its totient is φ = 226252800.

The previous prime is 1125422759. The next prime is 1125422783. The reversal of 1125422760 is 672245211.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 284476 + ... + 288404.

It is an arithmetic number, because the mean of its divisors is an integer number (16977600).

Almost surely, 2^1125422760 is an apocalyptic number.

1125422760 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 1125422760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2173132800).

1125422760 is an abundant number, since it is smaller than the sum of its proper divisors (3220842840).

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

1125422760 is a wasteful number, since it uses less digits than its factorization.

1125422760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992 (or 3988 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1125422760 is about 33547.3212045314. The cubic root of 1125422760 is about 1040.1721731715.

Adding to 1125422760 its reverse (672245211), we get a palindrome (1797667971).

The spelling of 1125422760 in words is "one billion, one hundred twenty-five million, four hundred twenty-two thousand, seven hundred sixty".