1421230037 has 2 divisors, whose sum is σ = 1421230038. Its totient is φ = 1421230036.

The previous prime is 1421229967. The next prime is 1421230043. The reversal of 1421230037 is 7300321241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1273704721 + 147525316 = 35689^2 + 12146^2 .

It is an emirp because it is prime and its reverse (7300321241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1421230037 - 2¹⁸ = 1420967893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421229994 and 1421230021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421230087) by changing a digit.

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, 710615018 + 710615019.

It is an arithmetic number, because the mean of its divisors is an integer number (710615019).

Almost surely, 2^1421230037 is an apocalyptic number.

It is an amenable number.

1421230037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421230037 is an equidigital number, since it uses as much as digits as its factorization.

1421230037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1421230037 is about 37699.2047263599. The cubic root of 1421230037 is about 1124.3153132865.

Adding to 1421230037 its reverse (7300321241), we get a palindrome (8721551278).

The spelling of 1421230037 in words is "one billion, four hundred twenty-one million, two hundred thirty thousand, thirty-seven".