120140387 has 2 divisors, whose sum is σ = 120140388. Its totient is φ = 120140386.

The previous prime is 120140381. The next prime is 120140429. The reversal of 120140387 is 783041021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120140387 - 2²⁶ = 53031523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120140381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60070193 + 60070194.

It is an arithmetic number, because the mean of its divisors is an integer number (60070194).

Almost surely, 2^120140387 is an apocalyptic number.

120140387 is a deficient number, since it is larger than the sum of its proper divisors (1).

120140387 is an equidigital number, since it uses as much as digits as its factorization.

120140387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 120140387 is about 10960.8570376591. The cubic root of 120140387 is about 493.4346866368.

The spelling of 120140387 in words is "one hundred twenty million, one hundred forty thousand, three hundred eighty-seven".