120393487 has 2 divisors, whose sum is σ = 120393488. Its totient is φ = 120393486.

The previous prime is 120393457. The next prime is 120393503. The reversal of 120393487 is 784393021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120393487 - 2¹⁵ = 120360719 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 (120393437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60196743 + 60196744.

It is an arithmetic number, because the mean of its divisors is an integer number (60196744).

Almost surely, 2^120393487 is an apocalyptic number.

120393487 is a deficient number, since it is larger than the sum of its proper divisors (1).

120393487 is an equidigital number, since it uses as much as digits as its factorization.

120393487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 120393487 is about 10972.3965932699. The cubic root of 120393487 is about 493.7809502150.

It can be divided in two parts, 1203934 and 87, that added together give a palindrome (1204021).

The spelling of 120393487 in words is "one hundred twenty million, three hundred ninety-three thousand, four hundred eighty-seven".