1421235251476 has 12 divisors (see below), whose sum is σ = 2487265953172. Its totient is φ = 710587836288.

The previous prime is 1421235251399. The next prime is 1421235251477. The reversal of 1421235251476 is 6741525321241.

It can be written as a sum of positive squares in 2 ways, for example, as 764120739600 + 657114511876 = 874140^2 + 810626^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421235251477) 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, 7339845 + ... + 7530988.

Almost surely, 2^{1421235251476} is an apocalyptic number.

It is an amenable number.

1421235251476 is a deficient number, since it is larger than the sum of its proper divisors (1066030701696).

1421235251476 is a wasteful number, since it uses less digits than its factorization.

1421235251476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14894730 (or 14894728 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The spelling of 1421235251476 in words is "one trillion, four hundred twenty-one billion, two hundred thirty-five million, two hundred fifty-one thousand, four hundred seventy-six".