1161825 has 24 divisors (see below), whose sum is σ = 2196288. Its totient is φ = 530880.

The previous prime is 1161791. The next prime is 1161829. The reversal of 1161825 is 5281611.

It is not a de Polignac number, because 1161825 - 2⁶ = 1161761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1161795 and 1161804.

It is not an unprimeable number, because it can be changed into a prime (1161829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 582 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (91512).

2^1161825 is an apocalyptic number.

1161825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1161825 is a deficient number, since it is larger than the sum of its proper divisors (1034463).

1161825 is a wasteful number, since it uses less digits than its factorization.

1161825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2228 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 1161825 is about 1077.8798634356. The cubic root of 1161825 is about 105.1268308646.

The spelling of 1161825 in words is "one million, one hundred sixty-one thousand, eight hundred twenty-five".