254120020331987 has 2 divisors, whose sum is σ = 254120020331988. Its totient is φ = 254120020331986.

The previous prime is 254120020331981. The next prime is 254120020331993. The reversal of 254120020331987 is 789133020021452.

It is a balanced prime because it is at equal distance from previous prime (254120020331981) and next prime (254120020331993).

It is a cyclic number.

It is not a de Polignac number, because 254120020331987 - 2⁶ = 254120020331923 is a prime.

It is not a weakly prime, because it can be changed into another prime (254120020331981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127060010165993 + 127060010165994.

It is an arithmetic number, because the mean of its divisors is an integer number (127060010165994).

Almost surely, 2^{254120020331987} is an apocalyptic number.

254120020331987 is a deficient number, since it is larger than the sum of its proper divisors (1).

254120020331987 is an equidigital number, since it uses as much as digits as its factorization.

254120020331987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 254120020331987 in words is "two hundred fifty-four trillion, one hundred twenty billion, twenty million, three hundred thirty-one thousand, nine hundred eighty-seven".