1240395 has 16 divisors (see below), whose sum is σ = 2137632. Its totient is φ = 610560.

The previous prime is 1240391. The next prime is 1240399. The reversal of 1240395 is 5930421.

It is an interprime number because it is at equal distance from previous prime (1240391) and next prime (1240399).

It is not a de Polignac number, because 1240395 - 2² = 1240391 is a prime.

1240395 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1240391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2986 + ... + 3375.

It is an arithmetic number, because the mean of its divisors is an integer number (133602).

2^1240395 is an apocalyptic number.

1240395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1240395 is a deficient number, since it is larger than the sum of its proper divisors (897237).

1240395 is a wasteful number, since it uses less digits than its factorization.

1240395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1240395 is about 1113.7302186796. The cubic root of 1240395 is about 107.4451134992.

The spelling of 1240395 in words is "one million, two hundred forty thousand, three hundred ninety-five".