1208090 has 16 divisors (see below), whose sum is σ = 2342088. Its totient is φ = 446016.

The previous prime is 1208089. The next prime is 1208113. The reversal of 1208090 is 908021.

It can be written as a sum of positive squares in 4 ways, for example, as 452929 + 755161 = 673^2 + 869^2 .

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, 4517 + ... + 4776.

2^1208090 is an apocalyptic number.

1208090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1208090 is a deficient number, since it is larger than the sum of its proper divisors (1133998).

1208090 is a wasteful number, since it uses less digits than its factorization.

1208090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1208090 is about 1099.1314753022. The cubic root of 1208090 is about 106.5041252709.

The spelling of 1208090 in words is "one million, two hundred eight thousand, ninety".