1260025089 has 32 divisors (see below), whose sum is σ = 1775779200. Its totient is φ = 793551360.

The previous prime is 1260025061. The next prime is 1260025103. The reversal of 1260025089 is 9805200621.

It is not a de Polignac number, because 1260025089 - 2¹⁷ = 1259894017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1260025049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1236022 + ... + 1237040.

It is an arithmetic number, because the mean of its divisors is an integer number (55493100).

Almost surely, 2^1260025089 is an apocalyptic number.

It is an amenable number.

1260025089 is a deficient number, since it is larger than the sum of its proper divisors (515754111).

1260025089 is a wasteful number, since it uses less digits than its factorization.

1260025089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1260025089 is about 35496.8320980901. The cubic root of 1260025089 is about 1080.0894670397.

The spelling of 1260025089 in words is "one billion, two hundred sixty million, twenty-five thousand, eighty-nine".