1241980 has 12 divisors (see below), whose sum is σ = 2608200. Its totient is φ = 496784.

The previous prime is 1241971. The next prime is 1241987. The reversal of 1241980 is 891421.

It is a happy number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31030 + ... + 31069.

It is an arithmetic number, because the mean of its divisors is an integer number (217350).

2^1241980 is an apocalyptic number.

1241980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241980 is an abundant number, since it is smaller than the sum of its proper divisors (1366220).

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

1241980 is a wasteful number, since it uses less digits than its factorization.

1241980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62108 (or 62106 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1241980 is about 1114.4415641926. The cubic root of 1241980 is about 107.4908591470.

The spelling of 1241980 in words is "one million, two hundred forty-one thousand, nine hundred eighty".