1240580 has 24 divisors (see below), whose sum is σ = 2842560. Its totient is φ = 451040.

The previous prime is 1240559. The next prime is 1240607. The reversal of 1240580 is 850421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (118440).

2^1240580 is an apocalyptic number.

1240580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240580 is an abundant number, since it is smaller than the sum of its proper divisors (1601980).

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

1240580 is a wasteful number, since it uses less digits than its factorization.

1240580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659 (or 5657 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1240580 is about 1113.8132698078. The cubic root of 1240580 is about 107.4504549046.

The spelling of 1240580 in words is "one million, two hundred forty thousand, five hundred eighty".