120193387 has 2 divisors, whose sum is σ = 120193388. Its totient is φ = 120193386.

The previous prime is 120193369. The next prime is 120193397. The reversal of 120193387 is 783391021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120193387 is a prime.

It is not a weakly prime, because it can be changed into another prime (120193327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60096693 + 60096694.

It is an arithmetic number, because the mean of its divisors is an integer number (60096694).

Almost surely, 2^120193387 is an apocalyptic number.

120193387 is a deficient number, since it is larger than the sum of its proper divisors (1).

120193387 is an equidigital number, since it uses as much as digits as its factorization.

120193387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 120193387 is about 10963.2744652316. The cubic root of 120193387 is about 493.5072356336.

The spelling of 120193387 in words is "one hundred twenty million, one hundred ninety-three thousand, three hundred eighty-seven".