1240707 has 16 divisors (see below), whose sum is σ = 1844640. Its totient is φ = 736512.

The previous prime is 1240703. The next prime is 1240709. The reversal of 1240707 is 7070421.

It is not a de Polignac number, because 1240707 - 2² = 1240703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (115290).

2^1240707 is an apocalyptic number.

1240707 is a deficient number, since it is larger than the sum of its proper divisors (603933).

1240707 is a wasteful number, since it uses less digits than its factorization.

1240707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 1240707 is about 1113.8702797005. The cubic root of 1240707 is about 107.4541213999.

The spelling of 1240707 in words is "one million, two hundred forty thousand, seven hundred seven".