120024144257 has 2 divisors, whose sum is σ = 120024144258. Its totient is φ = 120024144256.

The previous prime is 120024144223. The next prime is 120024144263. The reversal of 120024144257 is 752441420021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117747804736 + 2276339521 = 343144^2 + 47711^2 .

It is a cyclic number.

It is not a de Polignac number, because 120024144257 - 2²⁰ = 120023095681 is a prime.

It is not a weakly prime, because it can be changed into another prime (120024144157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60012072128 + 60012072129.

It is an arithmetic number, because the mean of its divisors is an integer number (60012072129).

Almost surely, 2^120024144257 is an apocalyptic number.

It is an amenable number.

120024144257 is a deficient number, since it is larger than the sum of its proper divisors (1).

120024144257 is an equidigital number, since it uses as much as digits as its factorization.

120024144257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 32.

Adding to 120024144257 its reverse (752441420021), we get a palindrome (872465564278).

The spelling of 120024144257 in words is "one hundred twenty billion, twenty-four million, one hundred forty-four thousand, two hundred fifty-seven".