1198825 has 12 divisors (see below), whose sum is σ = 1507840. Its totient is φ = 945360.

The previous prime is 1198819. The next prime is 1198849. The reversal of 1198825 is 5288911.

It is not a de Polignac number, because 1198825 - 2⁵ = 1198793 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 1672 + ... + 2278.

2^1198825 is an apocalyptic number.

It is an amenable number.

1198825 is a deficient number, since it is larger than the sum of its proper divisors (309015).

1198825 is an equidigital number, since it uses as much as digits as its factorization.

1198825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 691 counting only the distinct ones).

The product of its digits is 5760, while the sum is 34.

The square root of 1198825 is about 1094.9086719905. The cubic root of 1198825 is about 106.2311615967.

It can be divided in two parts, 11 and 98825, that multiplied together give a triangular number (1087075 = T₁₄₇₄).

The spelling of 1198825 in words is "one million, one hundred ninety-eight thousand, eight hundred twenty-five".