1205025 has 12 divisors (see below), whose sum is σ = 1992432. Its totient is φ = 642640.

The previous prime is 1204981. The next prime is 1205027. The reversal of 1205025 is 5205021.

It is not a de Polignac number, because 1205025 - 2¹¹ = 1202977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

1205025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1204995 and 1205013.

It is not an unprimeable number, because it can be changed into a prime (1205027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7959 + ... + 8108.

It is an arithmetic number, because the mean of its divisors is an integer number (166036).

2^1205025 is an apocalyptic number.

1205025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1205025 is a deficient number, since it is larger than the sum of its proper divisors (787407).

1205025 is a wasteful number, since it uses less digits than its factorization.

1205025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16080 (or 16075 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1205025 is about 1097.7363071339. The cubic root of 1205025 is about 106.4139797807.

The spelling of 1205025 in words is "one million, two hundred five thousand, twenty-five".