1198925 has 48 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 691200.

The previous prime is 1198903. The next prime is 1198927. The reversal of 1198925 is 5298911.

It is not a de Polignac number, because 1198925 - 2⁶ = 1198861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38660 + ... + 38690.

It is an arithmetic number, because the mean of its divisors is an integer number (41664).

2^1198925 is an apocalyptic number.

It is an amenable number.

1198925 is a deficient number, since it is larger than the sum of its proper divisors (800947).

1198925 is a wasteful number, since it uses less digits than its factorization.

1198925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 73 counting only the distinct ones).

The product of its digits is 6480, while the sum is 35.

The square root of 1198925 is about 1094.9543369474. The cubic root of 1198925 is about 106.2341152724.

The spelling of 1198925 in words is "one million, one hundred ninety-eight thousand, nine hundred twenty-five".