121752677 has 2 divisors, whose sum is σ = 121752678. Its totient is φ = 121752676.

The previous prime is 121752649. The next prime is 121752689. The reversal of 121752677 is 776257121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114618436 + 7134241 = 10706^2 + 2671^2 .

It is a cyclic number.

It is not a de Polignac number, because 121752677 - 2¹⁸ = 121490533 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121752677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121752647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60876338 + 60876339.

It is an arithmetic number, because the mean of its divisors is an integer number (60876339).

Almost surely, 2^121752677 is an apocalyptic number.

It is an amenable number.

121752677 is a deficient number, since it is larger than the sum of its proper divisors (1).

121752677 is an equidigital number, since it uses as much as digits as its factorization.

121752677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 38.

The square root of 121752677 is about 11034.1595511394. The cubic root of 121752677 is about 495.6321916036.

The spelling of 121752677 in words is "one hundred twenty-one million, seven hundred fifty-two thousand, six hundred seventy-seven".