1125298656 has 120 divisors (see below), whose sum is σ = 3328262784. Its totient is φ = 372971520.

The previous prime is 1125298651. The next prime is 1125298679. The reversal of 1125298656 is 6568925211.

1125298656 is a `hidden beast` number, since 112 + 529 + 8 + 6 + 5 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125298651) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 493936 + ... + 496208.

Almost surely, 2^1125298656 is an apocalyptic number.

1125298656 is a gapful number since it is divisible by the number (16) 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 1125298656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664131392).

1125298656 is an abundant number, since it is smaller than the sum of its proper divisors (2202964128).

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

1125298656 is a wasteful number, since it uses less digits than its factorization.

1125298656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486 (or 2469 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 1125298656 is about 33545.4714678450. The cubic root of 1125298656 is about 1040.1339373851.

The spelling of 1125298656 in words is "one billion, one hundred twenty-five million, two hundred ninety-eight thousand, six hundred fifty-six".