1421104655604 has 24 divisors (see below), whose sum is σ = 3316473332928. Its totient is φ = 473621199040.

The previous prime is 1421104655603. The next prime is 1421104655657. The reversal of 1421104655604 is 4065564011241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421104655603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9970392 + ... + 10111919.

It is an arithmetic number, because the mean of its divisors is an integer number (138186388872).

Almost surely, 2^{1421104655604} is an apocalyptic number.

It is an amenable number.

1421104655604 is an abundant number, since it is smaller than the sum of its proper divisors (1895368677324).

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

1421104655604 is a wasteful number, since it uses less digits than its factorization.

1421104655604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20088215 (or 20088213 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

Adding to 1421104655604 its reverse (4065564011241), we get a palindrome (5486668666845).

The spelling of 1421104655604 in words is "one trillion, four hundred twenty-one billion, one hundred four million, six hundred fifty-five thousand, six hundred four".