1240936 has 16 divisors (see below), whose sum is σ = 2342340. Its totient is φ = 616320.

The previous prime is 1240931. The next prime is 1240957. The reversal of 1240936 is 6390421.

It can be written as a sum of positive squares in 2 ways, for example, as 1232100 + 8836 = 1110^2 + 94^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1240936.

It is not an unprimeable number, because it can be changed into a prime (1240931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020 + ... + 1876.

2^1240936 is an apocalyptic number.

It is an amenable number.

1240936 is a deficient number, since it is larger than the sum of its proper divisors (1101404).

1240936 is a wasteful number, since it uses less digits than its factorization.

1240936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1240936 is about 1113.9730696924. The cubic root of 1240936 is about 107.4607320072.

The spelling of 1240936 in words is "one million, two hundred forty thousand, nine hundred thirty-six".