1421040401522 has 16 divisors (see below), whose sum is σ = 2436090771840. Its totient is φ = 609011936928.

The previous prime is 1421040401497. The next prime is 1421040401527. The reversal of 1421040401522 is 2251040401241.

It is a junction number, because it is equal to n+sod(n) for n = 1421040401491 and 1421040401500.

It is not an unprimeable number, because it can be changed into a prime (1421040401527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479854 + ... + 2243222.

It is an arithmetic number, because the mean of its divisors is an integer number (152255673240).

Almost surely, 2^{1421040401522} is an apocalyptic number.

1421040401522 is a deficient number, since it is larger than the sum of its proper divisors (1015050370318).

1421040401522 is a wasteful number, since it uses less digits than its factorization.

1421040401522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896345.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1421040401522 its reverse (2251040401241), we get a palindrome (3672080802763).

The spelling of 1421040401522 in words is "one trillion, four hundred twenty-one billion, forty million, four hundred one thousand, five hundred twenty-two".