1421133041240 has 128 divisors (see below), whose sum is σ = 3496290073920. Its totient is φ = 515584051200.

The previous prime is 1421133041239. The next prime is 1421133041249. The reversal of 1421133041240 is 421403311241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421133041249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464269310 + ... + 464272370.

Almost surely, 2^{1421133041240} is an apocalyptic number.

1421133041240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421133041240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748145036960).

1421133041240 is an abundant number, since it is smaller than the sum of its proper divisors (2075157032680).

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

1421133041240 is a wasteful number, since it uses less digits than its factorization.

1421133041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173 (or 5169 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1421133041240 its reverse (421403311241), we get a palindrome (1842536352481).

The spelling of 1421133041240 in words is "one trillion, four hundred twenty-one billion, one hundred thirty-three million, forty-one thousand, two hundred forty".