1241724 has 48 divisors (see below), whose sum is σ = 3306240. Its totient is φ = 359040.

The previous prime is 1241699. The next prime is 1241741. The reversal of 1241724 is 4271421.

It is a happy number.

Its product of digits (448) is a multiple of the sum of its prime divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 1241724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832 + ... + 3240.

It is an arithmetic number, because the mean of its divisors is an integer number (68880).

2^1241724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653120).

1241724 is an abundant number, since it is smaller than the sum of its proper divisors (2064516).

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

1241724 is a wasteful number, since it uses less digits than its factorization.

1241724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its digits is 448, while the sum is 21.

The square root of 1241724 is about 1114.3267025428. The cubic root of 1241724 is about 107.4834732120.

The spelling of 1241724 in words is "one million, two hundred forty-one thousand, seven hundred twenty-four".