120138373 has 2 divisors, whose sum is σ = 120138374. Its totient is φ = 120138372.

The previous prime is 120138353. The next prime is 120138377. The reversal of 120138373 is 373831021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96000804 + 24137569 = 9798^2 + 4913^2 .

It is a cyclic number.

It is not a de Polignac number, because 120138373 - 2¹³ = 120130181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120138377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60069186 + 60069187.

It is an arithmetic number, because the mean of its divisors is an integer number (60069187).

Almost surely, 2^120138373 is an apocalyptic number.

It is an amenable number.

120138373 is a deficient number, since it is larger than the sum of its proper divisors (1).

120138373 is an equidigital number, since it uses as much as digits as its factorization.

120138373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 120138373 is about 10960.7651648961. The cubic root of 120138373 is about 493.4319293541.

Adding to 120138373 its reverse (373831021), we get a palindrome (493969394).

The spelling of 120138373 in words is "one hundred twenty million, one hundred thirty-eight thousand, three hundred seventy-three".