1208180 has 24 divisors (see below), whose sum is σ = 2558472. Its totient is φ = 479232.

The previous prime is 1208177. The next prime is 1208189. The reversal of 1208180 is 818021.

It can be written as a sum of positive squares in 4 ways, for example, as 33124 + 1175056 = 182^2 + 1084^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3704 + ... + 4016.

It is an arithmetic number, because the mean of its divisors is an integer number (106603).

2^1208180 is an apocalyptic number.

1208180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1208180 is an abundant number, since it is smaller than the sum of its proper divisors (1350292).

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

1208180 is a wasteful number, since it uses less digits than its factorization.

1208180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1208180 is about 1099.1724159567. The cubic root of 1208180 is about 106.5067699782.

The spelling of 1208180 in words is "one million, two hundred eight thousand, one hundred eighty".