120026827238509 has 2 divisors, whose sum is σ = 120026827238510. Its totient is φ = 120026827238508.

The previous prime is 120026827238477. The next prime is 120026827238567. The reversal of 120026827238509 is 905832728620021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92728522089225 + 27298305149284 = 9629565^2 + 5224778^2 .

It is a cyclic number.

It is not a de Polignac number, because 120026827238509 - 2⁵ = 120026827238477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120026827238509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120026827238569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60013413619254 + 60013413619255.

It is an arithmetic number, because the mean of its divisors is an integer number (60013413619255).

Almost surely, 2^{120026827238509} is an apocalyptic number.

It is an amenable number.

120026827238509 is a deficient number, since it is larger than the sum of its proper divisors (1).

120026827238509 is an equidigital number, since it uses as much as digits as its factorization.

120026827238509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 120026827238509 in words is "one hundred twenty trillion, twenty-six billion, eight hundred twenty-seven million, two hundred thirty-eight thousand, five hundred nine".