1240080 has 40 divisors (see below), whose sum is σ = 3844992. Its totient is φ = 330624.

The previous prime is 1240039. The next prime is 1240081. The reversal of 1240080 is 800421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a plaindrome in base 13.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1240081) 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, 2344 + ... + 2823.

2^1240080 is an apocalyptic number.

1240080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240080 is an abundant number, since it is smaller than the sum of its proper divisors (2604912).

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

1240080 is a wasteful number, since it uses less digits than its factorization.

1240080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1240080 is about 1113.5887930471. The cubic root of 1240080 is about 107.4360174515.

The spelling of 1240080 in words is "one million, two hundred forty thousand, eighty".