1421103032434 has 4 divisors (see below), whose sum is σ = 2131654548654. Its totient is φ = 710551516216.

The previous prime is 1421103032429. The next prime is 1421103032443. The reversal of 1421103032434 is 4342303011241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1419784253209 + 1318779225 = 1191547^2 + 36315^2 .

It is a super-2 number, since 2×1421103032434² (a number of 25 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 355275758107 + ... + 355275758110.

Almost surely, 2^{1421103032434} is an apocalyptic number.

1421103032434 is a deficient number, since it is larger than the sum of its proper divisors (710551516220).

1421103032434 is an equidigital number, since it uses as much as digits as its factorization.

1421103032434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710551516219.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1421103032434 its reverse (4342303011241), we get a palindrome (5763406043675).

The spelling of 1421103032434 in words is "one trillion, four hundred twenty-one billion, one hundred three million, thirty-two thousand, four hundred thirty-four".