120603615709 has 2 divisors, whose sum is σ = 120603615710. Its totient is φ = 120603615708.

The previous prime is 120603615689. The next prime is 120603615749. The reversal of 120603615709 is 907516306021.

It is an a-pointer prime, because the next prime (120603615749) can be obtained adding 120603615709 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120116310084 + 487305625 = 346578^2 + 22075^2 .

It is a cyclic number.

It is not a de Polignac number, because 120603615709 - 2⁵ = 120603615677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120603615749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60301807854 + 60301807855.

It is an arithmetic number, because the mean of its divisors is an integer number (60301807855).

Almost surely, 2^120603615709 is an apocalyptic number.

It is an amenable number.

120603615709 is a deficient number, since it is larger than the sum of its proper divisors (1).

120603615709 is an equidigital number, since it uses as much as digits as its factorization.

120603615709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

It can be divided in two parts, 120603615 and 709, that added together give a square (120604324 = 10982²).

The spelling of 120603615709 in words is "one hundred twenty billion, six hundred three million, six hundred fifteen thousand, seven hundred nine".