1210385 has 16 divisors (see below), whose sum is σ = 1615680. Its totient is φ = 863040.

The previous prime is 1210379. The next prime is 1210387. The reversal of 1210385 is 5830121.

It is not a de Polignac number, because 1210385 - 2⁴ = 1210369 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1210387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3059 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (100980).

2^1210385 is an apocalyptic number.

It is an amenable number.

1210385 is a deficient number, since it is larger than the sum of its proper divisors (405295).

1210385 is a wasteful number, since it uses less digits than its factorization.

1210385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1210385 is about 1100.1749860818. The cubic root of 1210385 is about 106.5715243201.

The spelling of 1210385 in words is "one million, two hundred ten thousand, three hundred eighty-five".