10120139 has 2 divisors, whose sum is σ = 10120140. Its totient is φ = 10120138.

The previous prime is 10120111. The next prime is 10120147. The reversal of 10120139 is 93102101.

It is a happy number.

10120139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10120139 - 2⁸ = 10119883 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10120109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060069 + 5060070.

It is an arithmetic number, because the mean of its divisors is an integer number (5060070).

Almost surely, 2^10120139 is an apocalyptic number.

10120139 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120139 is an equidigital number, since it uses as much as digits as its factorization.

10120139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 10120139 is about 3181.2165911802. The cubic root of 10120139 is about 216.3028088922.

The spelling of 10120139 in words is "ten million, one hundred twenty thousand, one hundred thirty-nine".