1259680 has 24 divisors (see below), whose sum is σ = 2976372. Its totient is φ = 503808.

The previous prime is 1259677. The next prime is 1259689. The reversal of 1259680 is 869521.

It can be written as a sum of positive squares in 2 ways, for example, as 1089936 + 169744 = 1044^2 + 412^2 .

It is not an unprimeable number, because it can be changed into a prime (1259689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3777 + ... + 4096.

2^1259680 is an apocalyptic number.

1259680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1259680 is an abundant number, since it is smaller than the sum of its proper divisors (1716692).

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

1259680 is an equidigital number, since it uses as much as digits as its factorization.

1259680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7888 (or 7880 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1259680 is about 1122.3546676519. The cubic root of 1259680 is about 107.9990854975. Note that the first 3 decimals are identical.

It can be divided in two parts, 125 and 9680, that multiplied together give a square (1210000 = 1100²).

The spelling of 1259680 in words is "one million, two hundred fifty-nine thousand, six hundred eighty".