120500617747 has 2 divisors, whose sum is σ = 120500617748. Its totient is φ = 120500617746.

The previous prime is 120500617717. The next prime is 120500617789. The reversal of 120500617747 is 747716005021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120500617747 is a prime.

It is a super-2 number, since 2×120500617747² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120500617717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60250308873 + 60250308874.

It is an arithmetic number, because the mean of its divisors is an integer number (60250308874).

Almost surely, 2^120500617747 is an apocalyptic number.

120500617747 is a deficient number, since it is larger than the sum of its proper divisors (1).

120500617747 is an equidigital number, since it uses as much as digits as its factorization.

120500617747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 120500617747 in words is "one hundred twenty billion, five hundred million, six hundred seventeen thousand, seven hundred forty-seven".