1214785 has 16 divisors (see below), whose sum is σ = 1713600. Its totient is φ = 815040.

The previous prime is 1214767. The next prime is 1214819. The reversal of 1214785 is 5874121.

It is not a de Polignac number, because 1214785 - 2⁷ = 1214657 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135 + ... + 1564.

It is an arithmetic number, because the mean of its divisors is an integer number (107100).

2^1214785 is an apocalyptic number.

It is an amenable number.

1214785 is a deficient number, since it is larger than the sum of its proper divisors (498815).

1214785 is a wasteful number, since it uses less digits than its factorization.

1214785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728.

The product of its digits is 2240, while the sum is 28.

The square root of 1214785 is about 1102.1728539571. The cubic root of 1214785 is about 106.7005046724.

The spelling of 1214785 in words is "one million, two hundred fourteen thousand, seven hundred eighty-five".