1214661 has 12 divisors (see below), whose sum is σ = 1884192. Its totient is φ = 694008.

The previous prime is 1214659. The next prime is 1214663. The reversal of 1214661 is 1664121.

It is an interprime number because it is at equal distance from previous prime (1214659) and next prime (1214663).

It is not a de Polignac number, because 1214661 - 2¹ = 1214659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3985 + ... + 4278.

It is an arithmetic number, because the mean of its divisors is an integer number (157016).

2^1214661 is an apocalyptic number.

It is an amenable number.

1214661 is a deficient number, since it is larger than the sum of its proper divisors (669531).

1214661 is an equidigital number, since it uses as much as digits as its factorization.

1214661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8280 (or 8273 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 1214661 is about 1102.1166000020. The cubic root of 1214661 is about 106.6968740401.

Adding to 1214661 its reverse (1664121), we get a palindrome (2878782).

The spelling of 1214661 in words is "one million, two hundred fourteen thousand, six hundred sixty-one".