1145986125 has 16 divisors (see below), whose sum is σ = 1906921536. Its totient is φ = 611192400.

The previous prime is 1145986067. The next prime is 1145986129. The reversal of 1145986125 is 5216895411.

It is not a de Polignac number, because 1145986125 - 2¹² = 1145982029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145986129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527607 + ... + 1528356.

It is an arithmetic number, because the mean of its divisors is an integer number (119182596).

Almost surely, 2^1145986125 is an apocalyptic number.

1145986125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145986125 is a deficient number, since it is larger than the sum of its proper divisors (760935411).

1145986125 is an equidigital number, since it uses as much as digits as its factorization.

1145986125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055981 (or 3055971 counting only the distinct ones).

The product of its digits is 86400, while the sum is 42.

The square root of 1145986125 is about 33852.4168265724. The cubic root of 1145986125 is about 1046.4692062060.

The spelling of 1145986125 in words is "one billion, one hundred forty-five million, nine hundred eighty-six thousand, one hundred twenty-five".