121300037 has 2 divisors, whose sum is σ = 121300038. Its totient is φ = 121300036.

The previous prime is 121300031. The next prime is 121300043. The reversal of 121300037 is 730003121.

It is a balanced prime because it is at equal distance from previous prime (121300031) and next prime (121300043).

It can be written as a sum of positive squares in only one way, i.e., 106791556 + 14508481 = 10334^2 + 3809^2 .

It is an emirp because it is prime and its reverse (730003121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121300037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121299988 and 121300024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121300031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650018 + 60650019.

It is an arithmetic number, because the mean of its divisors is an integer number (60650019).

Almost surely, 2^121300037 is an apocalyptic number.

It is an amenable number.

121300037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121300037 is an equidigital number, since it uses as much as digits as its factorization.

121300037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 121300037 is about 11013.6296015437. The cubic root of 121300037 is about 495.0172248538.

Adding to 121300037 its reverse (730003121), we get a palindrome (851303158).

The spelling of 121300037 in words is "one hundred twenty-one million, three hundred thousand, thirty-seven".