1258720 has 24 divisors (see below), whose sum is σ = 2974104. Its totient is φ = 503424.

The previous prime is 1258717. The next prime is 1258723. The reversal of 1258720 is 278521.

It is an interprime number because it is at equal distance from previous prime (1258717) and next prime (1258723).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258723) 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, 3774 + ... + 4093.

It is an arithmetic number, because the mean of its divisors is an integer number (123921).

2^1258720 is an apocalyptic number.

1258720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1258720 is an abundant number, since it is smaller than the sum of its proper divisors (1715384).

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

1258720 is an equidigital number, since it uses as much as digits as its factorization.

1258720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882 (or 7874 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1258720 is about 1121.9269138406. The cubic root of 1258720 is about 107.9716432182.

The spelling of 1258720 in words is "one million, two hundred fifty-eight thousand, seven hundred twenty".