1420804504237 has 8 divisors (see below), whose sum is σ = 1422348407480. Its totient is φ = 1419260901120.

The previous prime is 1420804504213. The next prime is 1420804504241. The reversal of 1420804504237 is 7324054080241.

It can be written as a sum of positive squares in 4 ways, for example, as 806429144196 + 614375360041 = 898014^2 + 783821^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1420804504237 - 2³⁹ = 871048690349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420804504237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420804504937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10149673 + ... + 10288705.

It is an arithmetic number, because the mean of its divisors is an integer number (177793550935).

Almost surely, 2^{1420804504237} is an apocalyptic number.

It is an amenable number.

1420804504237 is a deficient number, since it is larger than the sum of its proper divisors (1543903243).

1420804504237 is a wasteful number, since it uses less digits than its factorization.

1420804504237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150063.

The product of its (nonzero) digits is 215040, while the sum is 40.

Adding to 1420804504237 its reverse (7324054080241), we get a palindrome (8744858584478).

The spelling of 1420804504237 in words is "one trillion, four hundred twenty billion, eight hundred four million, five hundred four thousand, two hundred thirty-seven".