1421403442120 has 64 divisors (see below), whose sum is σ = 3367490112000. Its totient is φ = 538475770368.

The previous prime is 1421403442097. The next prime is 1421403442127. The reversal of 1421403442120 is 212443041241.

It is not an unprimeable number, because it can be changed into a prime (1421403442127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2274444 + ... + 2831236.

It is an arithmetic number, because the mean of its divisors is an integer number (52617033000).

Almost surely, 2^{1421403442120} is an apocalyptic number.

1421403442120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421403442120 is an abundant number, since it is smaller than the sum of its proper divisors (1946086669880).

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

1421403442120 is a wasteful number, since it uses less digits than its factorization.

1421403442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560182 (or 560178 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1421403442120 its reverse (212443041241), we get a palindrome (1633846483361).

The spelling of 1421403442120 in words is "one trillion, four hundred twenty-one billion, four hundred three million, four hundred forty-two thousand, one hundred twenty".