1139825 has 12 divisors (see below), whose sum is σ = 1428480. Its totient is φ = 902160.

The previous prime is 1139819. The next prime is 1139843. The reversal of 1139825 is 5289311.

It is not a de Polignac number, because 1139825 - 2¹⁶ = 1074289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2996 + ... + 3354.

It is an arithmetic number, because the mean of its divisors is an integer number (119040).

2^1139825 is an apocalyptic number.

It is an amenable number.

1139825 is a deficient number, since it is larger than the sum of its proper divisors (288655).

1139825 is a wasteful number, since it uses less digits than its factorization.

1139825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 491 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 1139825 is about 1067.6258707993. The cubic root of 1139825 is about 104.4590470085.

The spelling of 1139825 in words is "one million, one hundred thirty-nine thousand, eight hundred twenty-five".