1199980 has 12 divisors (see below), whose sum is σ = 2520000. Its totient is φ = 479984.

The previous prime is 1199969. The next prime is 1199993. The reversal of 1199980 is 899911.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29980 + ... + 30019.

It is an arithmetic number, because the mean of its divisors is an integer number (210000).

2^1199980 is an apocalyptic number.

1199980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1199980 is an abundant number, since it is smaller than the sum of its proper divisors (1320020).

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

1199980 is a wasteful number, since it uses less digits than its factorization.

1199980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60008 (or 60006 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 1199980 is about 1095.4359862630. The cubic root of 1199980 is about 106.2652665491.

The spelling of 1199980 in words is "one million, one hundred ninety-nine thousand, nine hundred eighty".