1412171021 has 8 divisors (see below), whose sum is σ = 1416849984. Its totient is φ = 1407500640.

The previous prime is 1412170987. The next prime is 1412171027. The reversal of 1412171021 is 1201712141.

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

It is a cyclic number.

It is not a de Polignac number, because 1412171021 - 2⁶ = 1412170957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1412170984 and 1412171002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412171027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502406 + ... + 505208.

It is an arithmetic number, because the mean of its divisors is an integer number (177106248).

Almost surely, 2^1412171021 is an apocalyptic number.

It is an amenable number.

1412171021 is a deficient number, since it is larger than the sum of its proper divisors (4678963).

1412171021 is an equidigital number, since it uses as much as digits as its factorization.

1412171021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1412171021 is about 37578.8640195523. The cubic root of 1412171021 is about 1121.9213992195.

Adding to 1412171021 its reverse (1201712141), we get a palindrome (2613883162).

The spelling of 1412171021 in words is "one billion, four hundred twelve million, one hundred seventy-one thousand, twenty-one".