1248724 has 12 divisors (see below), whose sum is σ = 2195424. Its totient is φ = 621464.

The previous prime is 1248721. The next prime is 1248757. The reversal of 1248724 is 4278421.

It is a junction number, because it is equal to n+sod(n) for n = 1248692 and 1248701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248721) 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, 459 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (182952).

2^1248724 is an apocalyptic number.

It is an amenable number.

1248724 is a deficient number, since it is larger than the sum of its proper divisors (946700).

1248724 is a wasteful number, since it uses less digits than its factorization.

1248724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1452 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 1248724 is about 1117.4631984992. The cubic root of 1248724 is about 107.6850679068.

The spelling of 1248724 in words is "one million, two hundred forty-eight thousand, seven hundred twenty-four".