120726761 has 2 divisors, whose sum is σ = 120726762. Its totient is φ = 120726760.

The previous prime is 120726721. The next prime is 120726799. The reversal of 120726761 is 167627021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120582361 + 144400 = 10981^2 + 380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120726761 is a prime.

It is a super-2 number, since 2×120726761² = 29149901643102242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120726721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60363380 + 60363381.

It is an arithmetic number, because the mean of its divisors is an integer number (60363381).

Almost surely, 2^120726761 is an apocalyptic number.

It is an amenable number.

120726761 is a deficient number, since it is larger than the sum of its proper divisors (1).

120726761 is an equidigital number, since it uses as much as digits as its factorization.

120726761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 120726761 is about 10987.5730259234. The cubic root of 120726761 is about 494.2361596017.

The spelling of 120726761 in words is "one hundred twenty million, seven hundred twenty-six thousand, seven hundred sixty-one".