1199860 has 24 divisors (see below), whose sum is σ = 2668680. Its totient is φ = 451584.

The previous prime is 1199857. The next prime is 1199879. The reversal of 1199860 is 689911.

It can be written as a sum of positive squares in 4 ways, for example, as 63504 + 1136356 = 252^2 + 1066^2 .

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 Harshad number since it is a multiple of its sum of digits (34).

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 7 ways as a sum of consecutive naturals, for example, 1425 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (111195).

2^1199860 is an apocalyptic number.

1199860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1199860 is an abundant number, since it is smaller than the sum of its proper divisors (1468820).

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

1199860 is a wasteful number, since it uses less digits than its factorization.

1199860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1199860 is about 1095.3812121814. The cubic root of 1199860 is about 106.2617241964.

The spelling of 1199860 in words is "one million, one hundred ninety-nine thousand, eight hundred sixty".