120012751 has 2 divisors, whose sum is σ = 120012752. Its totient is φ = 120012750.

The previous prime is 120012731. The next prime is 120012757. The reversal of 120012751 is 157210021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120012751 - 2⁹ = 120012239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006375 + 60006376.

It is an arithmetic number, because the mean of its divisors is an integer number (60006376).

Almost surely, 2^120012751 is an apocalyptic number.

120012751 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012751 is an equidigital number, since it uses as much as digits as its factorization.

120012751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 120012751 is about 10955.0331355044. The cubic root of 120012751 is about 493.2598846197.

Adding to 120012751 its reverse (157210021), we get a palindrome (277222772).

The spelling of 120012751 in words is "one hundred twenty million, twelve thousand, seven hundred fifty-one".