120871393 has 2 divisors, whose sum is σ = 120871394. Its totient is φ = 120871392.

The previous prime is 120871367. The next prime is 120871397. The reversal of 120871393 is 393178021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116899344 + 3972049 = 10812^2 + 1993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120871393 is a prime.

It is not a weakly prime, because it can be changed into another prime (120871397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60435696 + 60435697.

It is an arithmetic number, because the mean of its divisors is an integer number (60435697).

Almost surely, 2^120871393 is an apocalyptic number.

It is an amenable number.

120871393 is a deficient number, since it is larger than the sum of its proper divisors (1).

120871393 is an equidigital number, since it uses as much as digits as its factorization.

120871393 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 120871393 is about 10994.1526731258. The cubic root of 120871393 is about 494.4334476403.

The spelling of 120871393 in words is "one hundred twenty million, eight hundred seventy-one thousand, three hundred ninety-three".