1253744 has 20 divisors (see below), whose sum is σ = 2452224. Its totient is φ = 620928.

The previous prime is 1253741. The next prime is 1253761. The reversal of 1253744 is 4473521.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253741) 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, 1724 + ... + 2340.

2^1253744 is an apocalyptic number.

It is an amenable number.

1253744 is a deficient number, since it is larger than the sum of its proper divisors (1198480).

1253744 is a wasteful number, since it uses less digits than its factorization.

1253744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 746 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 1253744 is about 1119.7071045590. The cubic root of 1253744 is about 107.8291766823.

The spelling of 1253744 in words is "one million, two hundred fifty-three thousand, seven hundred forty-four".