1421405042150 has 12 divisors (see below), whose sum is σ = 2643813378492. Its totient is φ = 568562016840.

The previous prime is 1421405042059. The next prime is 1421405042171. The reversal of 1421405042150 is 512405041241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14214050372 + ... + 14214050471.

It is an arithmetic number, because the mean of its divisors is an integer number (220317781541).

Almost surely, 2^{1421405042150} is an apocalyptic number.

1421405042150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421405042150 is a deficient number, since it is larger than the sum of its proper divisors (1222408336342).

1421405042150 is a wasteful number, since it uses less digits than its factorization.

1421405042150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28428100855 (or 28428100850 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Subtracting from 1421405042150 its reverse (512405041241), we obtain a palindrome (909000000909).

The spelling of 1421405042150 in words is "one trillion, four hundred twenty-one billion, four hundred five million, forty-two thousand, one hundred fifty".