1125606132 has 144 divisors (see below), whose sum is σ = 3550077440. Its totient is φ = 304640352.

The previous prime is 1125606127. The next prime is 1125606133. The reversal of 1125606132 is 2316065211.

1125606132 is a `hidden beast` number, since 1 + 1 + 25 + 606 + 1 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1125606096 and 1125606105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125606133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124923 + ... + 133629.

Almost surely, 2^1125606132 is an apocalyptic number.

1125606132 is a gapful number since it is divisible by the number (12) 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 1125606132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775038720).

1125606132 is an abundant number, since it is smaller than the sum of its proper divisors (2424471308).

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

1125606132 is a wasteful number, since it uses less digits than its factorization.

1125606132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8752 (or 8738 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1125606132 is about 33550.0541281233. The cubic root of 1125606132 is about 1040.2286639706.

The spelling of 1125606132 in words is "one billion, one hundred twenty-five million, six hundred six thousand, one hundred thirty-two".