121230787 has 2 divisors, whose sum is σ = 121230788. Its totient is φ = 121230786.

The previous prime is 121230779. The next prime is 121230821. The reversal of 121230787 is 787032121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121230787 - 2³ = 121230779 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (121230737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60615393 + 60615394.

It is an arithmetic number, because the mean of its divisors is an integer number (60615394).

Almost surely, 2^121230787 is an apocalyptic number.

121230787 is a deficient number, since it is larger than the sum of its proper divisors (1).

121230787 is an equidigital number, since it uses as much as digits as its factorization.

121230787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 121230787 is about 11010.4853208203. The cubic root of 121230787 is about 494.9230054037.

The spelling of 121230787 in words is "one hundred twenty-one million, two hundred thirty thousand, seven hundred eighty-seven".