1421125452441 has 24 divisors (see below), whose sum is σ = 2105909946504. Its totient is φ = 922943773440.

The previous prime is 1421125452421. The next prime is 1421125452469. The reversal of 1421125452441 is 1442545211241.

It is a happy number.

1421125452441 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 125 + 4 + 524 + 4 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28203843600 + 1392921608841 = 167940^2 + 1180221^2 .

It is not a de Polignac number, because 1421125452441 - 2⁶ = 1421125452377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421125452396 and 1421125452405.

It is not an unprimeable number, because it can be changed into a prime (1421125452421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2594566 + ... + 3094191.

It is an arithmetic number, because the mean of its divisors is an integer number (87746247771).

Almost surely, 2^{1421125452441} is an apocalyptic number.

It is an amenable number.

1421125452441 is a deficient number, since it is larger than the sum of its proper divisors (684784494063).

1421125452441 is a wasteful number, since it uses less digits than its factorization.

1421125452441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689481 (or 5689478 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The spelling of 1421125452441 in words is "one trillion, four hundred twenty-one billion, one hundred twenty-five million, four hundred fifty-two thousand, four hundred forty-one".