121725827 has 2 divisors, whose sum is σ = 121725828. Its totient is φ = 121725826.

The previous prime is 121725811. The next prime is 121725833. The reversal of 121725827 is 728527121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121725827 - 2⁴ = 121725811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121721827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60862913 + 60862914.

It is an arithmetic number, because the mean of its divisors is an integer number (60862914).

Almost surely, 2^121725827 is an apocalyptic number.

121725827 is a deficient number, since it is larger than the sum of its proper divisors (1).

121725827 is an equidigital number, since it uses as much as digits as its factorization.

121725827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 121725827 is about 11032.9428077916. The cubic root of 121725827 is about 495.5957551625.

The spelling of 121725827 in words is "one hundred twenty-one million, seven hundred twenty-five thousand, eight hundred twenty-seven".