1240766 has 4 divisors (see below), whose sum is σ = 1861152. Its totient is φ = 620382.

The previous prime is 1240763. The next prime is 1240769. The reversal of 1240766 is 6670421.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1240763) and next prime (1240769).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310190 + ... + 310193.

It is an arithmetic number, because the mean of its divisors is an integer number (465288).

2^1240766 is an apocalyptic number.

1240766 is a deficient number, since it is larger than the sum of its proper divisors (620386).

1240766 is an equidigital number, since it uses as much as digits as its factorization.

1240766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620385.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1240766 is about 1113.8967636186. The cubic root of 1240766 is about 107.4558246473.

The spelling of 1240766 in words is "one million, two hundred forty thousand, seven hundred sixty-six".