1226870 has 16 divisors (see below), whose sum is σ = 2237760. Its totient is φ = 484224.

The previous prime is 1226867. The next prime is 1226891. The reversal of 1226870 is 786221.

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, 14 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (139860).

2^1226870 is an apocalyptic number.

1226870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226870 is a deficient number, since it is larger than the sum of its proper divisors (1010890).

1226870 is a wasteful number, since it uses less digits than its factorization.

1226870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1226870 is about 1107.6416387984. The cubic root of 1226870 is about 107.0531659971.

The spelling of 1226870 in words is "one million, two hundred twenty-six thousand, eight hundred seventy".