1253724 has 24 divisors (see below), whose sum is σ = 2946048. Its totient is φ = 414960.

The previous prime is 1253723. The next prime is 1253729. The reversal of 1253724 is 4273521.

It is a junction number, because it is equal to n+sod(n) for n = 1253694 and 1253703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2019 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (122752).

2^1253724 is an apocalyptic number.

It is an amenable number.

1253724 is an abundant number, since it is smaller than the sum of its proper divisors (1692324).

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

1253724 is a wasteful number, since it uses less digits than its factorization.

1253724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 743 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 1253724 is about 1119.6981736164. The cubic root of 1253724 is about 107.8286033077.

It can be divided in two parts, 12537 and 24, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 1253724 in words is "one million, two hundred fifty-three thousand, seven hundred twenty-four".