1225867589 has 8 divisors (see below), whose sum is σ = 1234068960. Its totient is φ = 1217689200.

The previous prime is 1225867579. The next prime is 1225867619. The reversal of 1225867589 is 9857685221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1225867589 - 2⁸ = 1225867333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225867589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225867579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108782 + ... + 119520.

It is an arithmetic number, because the mean of its divisors is an integer number (154258620).

Almost surely, 2^1225867589 is an apocalyptic number.

It is an amenable number.

1225867589 is a deficient number, since it is larger than the sum of its proper divisors (8201371).

1225867589 is a wasteful number, since it uses less digits than its factorization.

1225867589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11491.

The product of its digits is 2419200, while the sum is 53.

The square root of 1225867589 is about 35012.3919348564. The cubic root of 1225867589 is about 1070.2400221434.

The spelling of 1225867589 in words is "one billion, two hundred twenty-five million, eight hundred sixty-seven thousand, five hundred eighty-nine".