121677701 has 2 divisors, whose sum is σ = 121677702. Its totient is φ = 121677700.

The previous prime is 121677667. The next prime is 121677713. The reversal of 121677701 is 107776121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115047076 + 6630625 = 10726^2 + 2575^2 .

It is an emirp because it is prime and its reverse (107776121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121677701 - 2⁶ = 121677637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121677761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60838850 + 60838851.

It is an arithmetic number, because the mean of its divisors is an integer number (60838851).

Almost surely, 2^121677701 is an apocalyptic number.

It is an amenable number.

121677701 is a deficient number, since it is larger than the sum of its proper divisors (1).

121677701 is an equidigital number, since it uses as much as digits as its factorization.

121677701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 32.

The square root of 121677701 is about 11030.7615784224. The cubic root of 121677701 is about 495.5304329931.

The spelling of 121677701 in words is "one hundred twenty-one million, six hundred seventy-seven thousand, seven hundred one".