1009725 has 12 divisors (see below), whose sum is σ = 1669536. Its totient is φ = 538480.

The previous prime is 1009669. The next prime is 1009727. The reversal of 1009725 is 5279001.

It is not a de Polignac number, because 1009725 - 2¹⁰ = 1008701 is a prime.

1009725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1009695 and 1009704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009727) 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, 6657 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (139128).

2^1009725 is an apocalyptic number.

1009725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1009725 is a deficient number, since it is larger than the sum of its proper divisors (659811).

1009725 is a wasteful number, since it uses less digits than its factorization.

1009725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13476 (or 13471 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 1009725 is about 1004.8507351841. The cubic root of 1009725 is about 100.3231214673.

The spelling of 1009725 in words is "one million, nine thousand, seven hundred twenty-five".