121061623 has 2 divisors, whose sum is σ = 121061624. Its totient is φ = 121061622.

The previous prime is 121061617. The next prime is 121061651. The reversal of 121061623 is 326160121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121061623 - 2⁹ = 121061111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121061594 and 121061603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121061693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60530811 + 60530812.

It is an arithmetic number, because the mean of its divisors is an integer number (60530812).

Almost surely, 2^121061623 is an apocalyptic number.

121061623 is a deficient number, since it is larger than the sum of its proper divisors (1).

121061623 is an equidigital number, since it uses as much as digits as its factorization.

121061623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 121061623 is about 11002.8006889155. The cubic root of 121061623 is about 494.6926950189.

The spelling of 121061623 in words is "one hundred twenty-one million, sixty-one thousand, six hundred twenty-three".