9412737121 has 2 divisors, whose sum is σ = 9412737122. Its totient is φ = 9412737120.

The previous prime is 9412737107. The next prime is 9412737127. The reversal of 9412737121 is 1217372149.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7973597025 + 1439140096 = 89295^2 + 37936^2 .

It is a cyclic number.

It is not a de Polignac number, because 9412737121 - 2⁹ = 9412736609 is a prime.

It is not a weakly prime, because it can be changed into another prime (9412737127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4706368560 + 4706368561.

It is an arithmetic number, because the mean of its divisors is an integer number (4706368561).

Almost surely, 2^9412737121 is an apocalyptic number.

It is an amenable number.

9412737121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9412737121 is an equidigital number, since it uses as much as digits as its factorization.

9412737121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 9412737121 is about 97019.2615978910. The cubic root of 9412737121 is about 2111.4070951791.

The spelling of 9412737121 in words is "nine billion, four hundred twelve million, seven hundred thirty-seven thousand, one hundred twenty-one".