121986037 has 2 divisors, whose sum is σ = 121986038. Its totient is φ = 121986036.

The previous prime is 121986001. The next prime is 121986041. The reversal of 121986037 is 730689121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112338801 + 9647236 = 10599^2 + 3106^2 .

It is a cyclic number.

It is not a de Polignac number, because 121986037 - 2¹¹ = 121983989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121985987 and 121986005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121986047) 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, 60993018 + 60993019.

It is an arithmetic number, because the mean of its divisors is an integer number (60993019).

Almost surely, 2^121986037 is an apocalyptic number.

It is an amenable number.

121986037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121986037 is an equidigital number, since it uses as much as digits as its factorization.

121986037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 121986037 is about 11044.7289237898. The cubic root of 121986037 is about 495.9486443642.

The spelling of 121986037 in words is "one hundred twenty-one million, nine hundred eighty-six thousand, thirty-seven".