1125907200 has 324 divisors, whose sum is σ = 4393786488. Its totient is φ = 272793600.

The previous prime is 1125907163. The next prime is 1125907243. The reversal of 1125907200 is 27095211.

1125907200 is a `hidden beast` number, since 1 + 1 + 2 + 590 + 72 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 632712 + ... + 634488.

Almost surely, 2^1125907200 is an apocalyptic number.

1125907200 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 1125907200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2196893244).

1125907200 is an abundant number, since it is smaller than the sum of its proper divisors (3267879288).

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

1125907200 is a wasteful number, since it uses less digits than its factorization.

1125907200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1125907200 is about 33554.5406763377. The cubic root of 1125907200 is about 1040.3213996788.

The spelling of 1125907200 in words is "one billion, one hundred twenty-five million, nine hundred seven thousand, two hundred".