1125016660 has 24 divisors (see below), whose sum is σ = 2438747136. Its totient is φ = 435490080.

The previous prime is 1125016649. The next prime is 1125016721. The reversal of 1125016660 is 666105211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906652 + ... + 907891.

It is an arithmetic number, because the mean of its divisors is an integer number (101614464).

Almost surely, 2^1125016660 is an apocalyptic number.

1125016660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125016660 is an abundant number, since it is smaller than the sum of its proper divisors (1313730476).

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

1125016660 is a wasteful number, since it uses less digits than its factorization.

1125016660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814583 (or 1814581 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1125016660 is about 33541.2680141941. The cubic root of 1125016660 is about 1040.0470454556.

The spelling of 1125016660 in words is "one billion, one hundred twenty-five million, sixteen thousand, six hundred sixty".