1206725 has 24 divisors (see below), whose sum is σ = 1666560. Its totient is φ = 861120.

The previous prime is 1206721. The next prime is 1206731. The reversal of 1206725 is 5276021.

It is not a de Polignac number, because 1206725 - 2² = 1206721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1206725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206721) 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, 15236 + ... + 15314.

It is an arithmetic number, because the mean of its divisors is an integer number (69440).

2^1206725 is an apocalyptic number.

It is an amenable number.

1206725 is a deficient number, since it is larger than the sum of its proper divisors (459835).

1206725 is a wasteful number, since it uses less digits than its factorization.

1206725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1206725 is about 1098.5103549808. The cubic root of 1206725 is about 106.4639977642.

The spelling of 1206725 in words is "one million, two hundred six thousand, seven hundred twenty-five".