120275887 has 2 divisors, whose sum is σ = 120275888. Its totient is φ = 120275886.

The previous prime is 120275861. The next prime is 120275923. The reversal of 120275887 is 788572021.

It is a weak prime.

It is an emirp because it is prime and its reverse (788572021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120275887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120275087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60137943 + 60137944.

It is an arithmetic number, because the mean of its divisors is an integer number (60137944).

Almost surely, 2^120275887 is an apocalyptic number.

120275887 is a deficient number, since it is larger than the sum of its proper divisors (1).

120275887 is an equidigital number, since it uses as much as digits as its factorization.

120275887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 120275887 is about 10967.0363818125. The cubic root of 120275887 is about 493.6201232507.

The spelling of 120275887 in words is "one hundred twenty million, two hundred seventy-five thousand, eight hundred eighty-seven".