1253788 has 12 divisors (see below), whose sum is σ = 2203432. Its totient is φ = 624240.

The previous prime is 1253783. The next prime is 1253803. The reversal of 1253788 is 8873521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253783) 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, 718 + ... + 1738.

2^1253788 is an apocalyptic number.

It is an amenable number.

1253788 is a deficient number, since it is larger than the sum of its proper divisors (949644).

1253788 is a wasteful number, since it uses less digits than its factorization.

1253788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1330 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 1253788 is about 1119.7267523820. The cubic root of 1253788 is about 107.8304380851.

The spelling of 1253788 in words is "one million, two hundred fifty-three thousand, seven hundred eighty-eight".