120042311 has 2 divisors, whose sum is σ = 120042312. Its totient is φ = 120042310.

The previous prime is 120042271. The next prime is 120042347. The reversal of 120042311 is 113240021.

It is a strong prime.

It is an emirp because it is prime and its reverse (113240021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120042311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120042011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60021155 + 60021156.

It is an arithmetic number, because the mean of its divisors is an integer number (60021156).

Almost surely, 2^120042311 is an apocalyptic number.

120042311 is a deficient number, since it is larger than the sum of its proper divisors (1).

120042311 is an equidigital number, since it uses as much as digits as its factorization.

120042311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120042311 is about 10956.3822039942. The cubic root of 120042311 is about 493.3003791091.

Adding to 120042311 its reverse (113240021), we get a palindrome (233282332).

The spelling of 120042311 in words is "one hundred twenty million, forty-two thousand, three hundred eleven".