1421403527420 has 12 divisors (see below), whose sum is σ = 2984947407624. Its totient is φ = 568561410960.

The previous prime is 1421403527389. The next prime is 1421403527471. The reversal of 1421403527420 is 247253041241.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35535088166 + ... + 35535088205.

It is an arithmetic number, because the mean of its divisors is an integer number (248745617302).

Almost surely, 2^{1421403527420} is an apocalyptic number.

1421403527420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421403527420 is an abundant number, since it is smaller than the sum of its proper divisors (1563543880204).

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

1421403527420 is a wasteful number, since it uses less digits than its factorization.

1421403527420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71070176380 (or 71070176378 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 1421403527420 its reverse (247253041241), we get a palindrome (1668656568661).

The spelling of 1421403527420 in words is "one trillion, four hundred twenty-one billion, four hundred three million, five hundred twenty-seven thousand, four hundred twenty".