1125631260 has 108 divisors (see below), whose sum is σ = 3697365672. Its totient is φ = 277070976.

The previous prime is 1125631237. The next prime is 1125631267. The reversal of 1125631260 is 621365211.

1125631260 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 631 + 26 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125631267) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11919 + ... + 48921.

Almost surely, 2^1125631260 is an apocalyptic number.

1125631260 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 1125631260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848682836).

1125631260 is an abundant number, since it is smaller than the sum of its proper divisors (2571734412).

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

1125631260 is a wasteful number, since it uses less digits than its factorization.

1125631260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37044 (or 37026 counting only the distinct ones).

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

The square root of 1125631260 is about 33550.4286112711. The cubic root of 1125631260 is about 1040.2364045916.

Adding to 1125631260 its reverse (621365211), we get a palindrome (1746996471).

The spelling of 1125631260 in words is "one billion, one hundred twenty-five million, six hundred thirty-one thousand, two hundred sixty".