1231862 has 16 divisors (see below), whose sum is σ = 1946160. Its totient is φ = 583968.

The previous prime is 1231859. The next prime is 1231873. The reversal of 1231862 is 2681321.

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, 3728 + ... + 4044.

It is an arithmetic number, because the mean of its divisors is an integer number (121635).

2^1231862 is an apocalyptic number.

1231862 is a deficient number, since it is larger than the sum of its proper divisors (714298).

1231862 is a wasteful number, since it uses less digits than its factorization.

1231862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its digits is 576, while the sum is 23.

The square root of 1231862 is about 1109.8927876151. The cubic root of 1231862 is about 107.1981653915.

The spelling of 1231862 in words is "one million, two hundred thirty-one thousand, eight hundred sixty-two".