1249325289 has 20 divisors (see below), whose sum is σ = 1880986624. Its totient is φ = 826318584.

The previous prime is 1249325281. The next prime is 1249325317. The reversal of 1249325289 is 9825239421.

1249325289 is a `hidden beast` number, since 1 + 2 + 49 + 325 + 289 = 666.

1249325289 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1249325289 - 2³ = 1249325281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1249325281) 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, 50437 + ... + 71010.

Almost surely, 2^1249325289 is an apocalyptic number.

It is an amenable number.

1249325289 is a deficient number, since it is larger than the sum of its proper divisors (631661335).

1249325289 is a wasteful number, since it uses less digits than its factorization.

1249325289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121586 (or 121577 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1249325289 is about 35345.7959169121. The cubic root of 1249325289 is about 1077.0234940290.

The spelling of 1249325289 in words is "one billion, two hundred forty-nine million, three hundred twenty-five thousand, two hundred eighty-nine".