1214931 has 4 divisors (see below), whose sum is σ = 1619912. Its totient is φ = 809952.

The previous prime is 1214923. The next prime is 1214933. The reversal of 1214931 is 1394121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1214931 - 2³ = 1214923 is a prime.

It is a super-2 number, since 2×1214931² = 2952114669522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214898 and 1214907.

It is not an unprimeable number, because it can be changed into a prime (1214933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202486 + ... + 202491.

It is an arithmetic number, because the mean of its divisors is an integer number (404978).

2^1214931 is an apocalyptic number.

1214931 is a deficient number, since it is larger than the sum of its proper divisors (404981).

1214931 is an equidigital number, since it uses as much as digits as its factorization.

1214931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404980.

The product of its digits is 216, while the sum is 21.

The square root of 1214931 is about 1102.2390847724. The cubic root of 1214931 is about 106.7047791324.

It can be divided in two parts, 1214 and 931, that added together give a triangular number (2145 = T₆₅).

The spelling of 1214931 in words is "one million, two hundred fourteen thousand, nine hundred thirty-one".