1240379 has 8 divisors (see below), whose sum is σ = 1436160. Its totient is φ = 1049256.

The previous prime is 1240363. The next prime is 1240387. The reversal of 1240379 is 9730421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240379 - 2⁴ = 1240363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (179520).

2^1240379 is an apocalyptic number.

1240379 is a deficient number, since it is larger than the sum of its proper divisors (195781).

1240379 is an equidigital number, since it uses as much as digits as its factorization.

1240379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1240379 is about 1113.7230355883. The cubic root of 1240379 is about 107.4446515148. Note that the first 3 decimals are identical.

The spelling of 1240379 in words is "one million, two hundred forty thousand, three hundred seventy-nine".