1259980 has 24 divisors (see below), whose sum is σ = 2685312. Its totient is φ = 496512.

The previous prime is 1259977. The next prime is 1259983. The reversal of 1259980 is 899521.

It is an interprime number because it is at equal distance from previous prime (1259977) and next prime (1259983).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1259983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 1891.

It is an arithmetic number, because the mean of its divisors is an integer number (111888).

2^1259980 is an apocalyptic number.

1259980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1259980 is an abundant number, since it is smaller than the sum of its proper divisors (1425332).

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

1259980 is a wasteful number, since it uses less digits than its factorization.

1259980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1259980 is about 1122.4883072888. The cubic root of 1259980 is about 108.0076583504.

The spelling of 1259980 in words is "one million, two hundred fifty-nine thousand, nine hundred eighty".