121301000237 has 2 divisors, whose sum is σ = 121301000238. Its totient is φ = 121301000236.

The previous prime is 121301000209. The next prime is 121301000251. The reversal of 121301000237 is 732000103121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70601272681 + 50699727556 = 265709^2 + 225166^2 .

It is a cyclic number.

It is not a de Polignac number, because 121301000237 - 2¹⁶ = 121300934701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121301000137) 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 as a sum of consecutive naturals, namely, 60650500118 + 60650500119.

It is an arithmetic number, because the mean of its divisors is an integer number (60650500119).

Almost surely, 2^121301000237 is an apocalyptic number.

It is an amenable number.

121301000237 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301000237 is an equidigital number, since it uses as much as digits as its factorization.

121301000237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 121301000237 its reverse (732000103121), we get a palindrome (853301103358).

The spelling of 121301000237 in words is "one hundred twenty-one billion, three hundred one million, two hundred thirty-seven", and thus it is an aban number.