1214257 has 8 divisors (see below), whose sum is σ = 1334592. Its totient is φ = 1095600.

The previous prime is 1214237. The next prime is 1214261. The reversal of 1214257 is 7524121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1214257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507 + ... + 2167.

It is an arithmetic number, because the mean of its divisors is an integer number (166824).

2^1214257 is an apocalyptic number.

It is an amenable number.

1214257 is a deficient number, since it is larger than the sum of its proper divisors (120335).

1214257 is a wasteful number, since it uses less digits than its factorization.

1214257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its digits is 560, while the sum is 22.

The square root of 1214257 is about 1101.9333010668. The cubic root of 1214257 is about 106.6850434918.

Adding to 1214257 its reverse (7524121), we get a palindrome (8738378).

The spelling of 1214257 in words is "one million, two hundred fourteen thousand, two hundred fifty-seven".