121339036927 has 2 divisors, whose sum is σ = 121339036928. Its totient is φ = 121339036926.

The previous prime is 121339036913. The next prime is 121339036961. The reversal of 121339036927 is 729630933121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121339036927 - 2¹⁵ = 121339004159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121339037927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60669518463 + 60669518464.

It is an arithmetic number, because the mean of its divisors is an integer number (60669518464).

Almost surely, 2^121339036927 is an apocalyptic number.

121339036927 is a deficient number, since it is larger than the sum of its proper divisors (1).

121339036927 is an equidigital number, since it uses as much as digits as its factorization.

121339036927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 121339036927 in words is "one hundred twenty-one billion, three hundred thirty-nine million, thirty-six thousand, nine hundred twenty-seven".