1213875 has 48 divisors (see below), whose sum is σ = 2384928. Its totient is φ = 590400.

The previous prime is 1213873. The next prime is 1213879. The reversal of 1213875 is 5783121.

It is not a de Polignac number, because 1213875 - 2¹ = 1213873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14584 + ... + 14666.

It is an arithmetic number, because the mean of its divisors is an integer number (49686).

2^1213875 is an apocalyptic number.

1213875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1213875 is a deficient number, since it is larger than the sum of its proper divisors (1171053).

1213875 is a wasteful number, since it uses less digits than its factorization.

1213875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 104 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1213875 is about 1101.7599557072. The cubic root of 1213875 is about 106.6738547673.

Adding to 1213875 its reverse (5783121), we get a palindrome (6996996).

The spelling of 1213875 in words is "one million, two hundred thirteen thousand, eight hundred seventy-five".