120387340999 has 2 divisors, whose sum is σ = 120387341000. Its totient is φ = 120387340998.

The previous prime is 120387340901. The next prime is 120387341023. The reversal of 120387340999 is 999043783021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120387340999 - 2²⁷ = 120253123271 is a prime.

It is a super-2 number, since 2×120387340999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120387340399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60193670499 + 60193670500.

It is an arithmetic number, because the mean of its divisors is an integer number (60193670500).

Almost surely, 2^120387340999 is an apocalyptic number.

120387340999 is a deficient number, since it is larger than the sum of its proper divisors (1).

120387340999 is an equidigital number, since it uses as much as digits as its factorization.

120387340999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 120387340999 in words is "one hundred twenty billion, three hundred eighty-seven million, three hundred forty thousand, nine hundred ninety-nine".