1240788 has 12 divisors (see below), whose sum is σ = 2895200. Its totient is φ = 413592.

The previous prime is 1240777. The next prime is 1240793. The reversal of 1240788 is 8870421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51688 + ... + 51711.

2^1240788 is an apocalyptic number.

It is an amenable number.

1240788 is an abundant number, since it is smaller than the sum of its proper divisors (1654412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240788 is a wasteful number, since it uses less digits than its factorization.

1240788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103406 (or 103404 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1240788 is about 1113.9066388167. The cubic root of 1240788 is about 107.4564597426.

The spelling of 1240788 in words is "one million, two hundred forty thousand, seven hundred eighty-eight".