1231614 has 24 divisors (see below), whose sum is σ = 2720952. Its totient is φ = 402480.

The previous prime is 1231613. The next prime is 1231631. The reversal of 1231614 is 4161321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (113373).

2^1231614 is an apocalyptic number.

1231614 is an abundant number, since it is smaller than the sum of its proper divisors (1489338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231614 is a wasteful number, since it uses less digits than its factorization.

1231614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1349 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1231614 is about 1109.7810594888. The cubic root of 1231614 is about 107.1909711524.

Adding to 1231614 its reverse (4161321), we get a palindrome (5392935).

It can be divided in two parts, 12 and 31614, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 1231614 in words is "one million, two hundred thirty-one thousand, six hundred fourteen".