1412134421 has 4 divisors (see below), whose sum is σ = 1412243244. Its totient is φ = 1412025600.

The previous prime is 1412134391. The next prime is 1412134441. The reversal of 1412134421 is 1244312141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1244312141 = 67 ⋅18571823.

It can be written as a sum of positive squares in 2 ways, for example, as 551592196 + 860542225 = 23486^2 + 29335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1412134421 - 2¹⁰ = 1412133397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412134441) 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, 31820 + ... + 61941.

It is an arithmetic number, because the mean of its divisors is an integer number (353060811).

Almost surely, 2^1412134421 is an apocalyptic number.

It is an amenable number.

1412134421 is a deficient number, since it is larger than the sum of its proper divisors (108823).

1412134421 is an equidigital number, since it uses as much as digits as its factorization.

1412134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108822.

The product of its digits is 768, while the sum is 23.

The square root of 1412134421 is about 37578.3770405269. The cubic root of 1412134421 is about 1121.9117066545.

Adding to 1412134421 its reverse (1244312141), we get a palindrome (2656446562).

The spelling of 1412134421 in words is "one billion, four hundred twelve million, one hundred thirty-four thousand, four hundred twenty-one".