1240694 has 32 divisors (see below), whose sum is σ = 2431296. Its totient is φ = 460800.

The previous prime is 1240691. The next prime is 1240699. The reversal of 1240694 is 4960421.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240691) 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 15 ways as a sum of consecutive naturals, for example, 2894 + ... + 3294.

It is an arithmetic number, because the mean of its divisors is an integer number (75978).

2^1240694 is an apocalyptic number.

1240694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1240694 is a deficient number, since it is larger than the sum of its proper divisors (1190602).

1240694 is a wasteful number, since it uses less digits than its factorization.

1240694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1240694 is about 1113.8644441762. The cubic root of 1240694 is about 107.4537461009.

The spelling of 1240694 in words is "one million, two hundred forty thousand, six hundred ninety-four".