1421351124738 has 8 divisors (see below), whose sum is σ = 2842702249488. Its totient is φ = 473783708244.

The previous prime is 1421351124737. The next prime is 1421351124797. The reversal of 1421351124738 is 8374211531241.

It is a sphenic number, since it is the product of 3 distinct primes.

1421351124738 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421351124738.

It is not an unprimeable number, because it can be changed into a prime (1421351124737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118445927056 + ... + 118445927067.

It is an arithmetic number, because the mean of its divisors is an integer number (355337781186).

Almost surely, 2^{1421351124738} is an apocalyptic number.

1421351124738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1421351124738 is a wasteful number, since it uses less digits than its factorization.

1421351124738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236891854128.

The product of its digits is 161280, while the sum is 42.

Adding to 1421351124738 its reverse (8374211531241), we get a palindrome (9795562655979).

The spelling of 1421351124738 in words is "one trillion, four hundred twenty-one billion, three hundred fifty-one million, one hundred twenty-four thousand, seven hundred thirty-eight".