1240725 has 24 divisors (see below), whose sum is σ = 2089152. Its totient is φ = 649600.

The previous prime is 1240717. The next prime is 1240739. The reversal of 1240725 is 5270421.

It is not a de Polignac number, because 1240725 - 2³ = 1240717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5209 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

2^1240725 is an apocalyptic number.

1240725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1240725 is a deficient number, since it is larger than the sum of its proper divisors (848427).

1240725 is a wasteful number, since it uses less digits than its factorization.

1240725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1240725 is about 1113.8783596066. The cubic root of 1240725 is about 107.4546410404.

The spelling of 1240725 in words is "one million, two hundred forty thousand, seven hundred twenty-five".