120010309 has 2 divisors, whose sum is σ = 120010310. Its totient is φ = 120010308.

The previous prime is 120010271. The next prime is 120010313. The reversal of 120010309 is 903010021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116316225 + 3694084 = 10785^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 120010309 - 2¹³ = 120002117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120010292 and 120010301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120010109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005154 + 60005155.

It is an arithmetic number, because the mean of its divisors is an integer number (60005155).

Almost surely, 2^120010309 is an apocalyptic number.

It is an amenable number.

120010309 is a deficient number, since it is larger than the sum of its proper divisors (1).

120010309 is an equidigital number, since it uses as much as digits as its factorization.

120010309 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 16.

The square root of 120010309 is about 10954.9216793184. The cubic root of 120010309 is about 493.2565390062.

The spelling of 120010309 in words is "one hundred twenty million, ten thousand, three hundred nine".