9121120037 has 2 divisors, whose sum is σ = 9121120038. Its totient is φ = 9121120036.

The previous prime is 9121120013. The next prime is 9121120067. The reversal of 9121120037 is 7300211219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7721312641 + 1399807396 = 87871^2 + 37414^2 .

It is a cyclic number.

It is not a de Polignac number, because 9121120037 - 2²⁶ = 9054011173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9121119988 and 9121120015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9121120067) 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, 4560560018 + 4560560019.

It is an arithmetic number, because the mean of its divisors is an integer number (4560560019).

Almost surely, 2^9121120037 is an apocalyptic number.

It is an amenable number.

9121120037 is a deficient number, since it is larger than the sum of its proper divisors (1).

9121120037 is an equidigital number, since it uses as much as digits as its factorization.

9121120037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 9121120037 is about 95504.5550589081. Note that the first 3 decimals coincide. The cubic root of 9121120037 is about 2089.3733793724.

The spelling of 9121120037 in words is "nine billion, one hundred twenty-one million, one hundred twenty thousand, thirty-seven".