1212086 has 16 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 567720.

The previous prime is 1212061. The next prime is 1212103. The reversal of 1212086 is 6802121.

It is a super-3 number, since 3×1212086³ = 5342217427333476168, which contains 333 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 6441.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^1212086 is an apocalyptic number.

1212086 is a deficient number, since it is larger than the sum of its proper divisors (723274).

1212086 is a wasteful number, since it uses less digits than its factorization.

1212086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1212086 is about 1100.9477735115. The cubic root of 1212086 is about 106.6214239554.

The spelling of 1212086 in words is "one million, two hundred twelve thousand, eighty-six".