1231416 has 32 divisors (see below), whose sum is σ = 3421200. Its totient is φ = 410400.

The previous prime is 1231411. The next prime is 1231421. The reversal of 1231416 is 6141321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1231411) and next prime (1231421).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 6.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231411) 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, 2635 + ... + 3066.

2^1231416 is an apocalyptic number.

It is an amenable number.

1231416 is an abundant number, since it is smaller than the sum of its proper divisors (2189784).

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

1231416 is a wasteful number, since it uses less digits than its factorization.

1231416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716 (or 5706 counting only the distinct ones).

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

The square root of 1231416 is about 1109.6918491185. The cubic root of 1231416 is about 107.1852266714.

Adding to 1231416 its reverse (6141321), we get a palindrome (7372737).

The spelling of 1231416 in words is "one million, two hundred thirty-one thousand, four hundred sixteen".