121012037 has 2 divisors, whose sum is σ = 121012038. Its totient is φ = 121012036.

The previous prime is 121012013. The next prime is 121012043. The reversal of 121012037 is 730210121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62504836 + 58507201 = 7906^2 + 7649^2 .

It is an emirp because it is prime and its reverse (730210121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121012037 - 2¹⁰ = 121011013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121014037) 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, 60506018 + 60506019.

It is an arithmetic number, because the mean of its divisors is an integer number (60506019).

Almost surely, 2^121012037 is an apocalyptic number.

It is an amenable number.

121012037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012037 is an equidigital number, since it uses as much as digits as its factorization.

121012037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 121012037 is about 11000.5471227571. The cubic root of 121012037 is about 494.6251448980.

Adding to 121012037 its reverse (730210121), we get a palindrome (851222158).

The spelling of 121012037 in words is "one hundred twenty-one million, twelve thousand, thirty-seven".