120512761 has 2 divisors, whose sum is σ = 120512762. Its totient is φ = 120512760.

The previous prime is 120512741. The next prime is 120512767. The reversal of 120512761 is 167215021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105185536 + 15327225 = 10256^2 + 3915^2 .

It is a cyclic number.

It is not a de Polignac number, because 120512761 - 2¹⁷ = 120381689 is a prime.

It is not a weakly prime, because it can be changed into another prime (120512767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60256380 + 60256381.

It is an arithmetic number, because the mean of its divisors is an integer number (60256381).

Almost surely, 2^120512761 is an apocalyptic number.

It is an amenable number.

120512761 is a deficient number, since it is larger than the sum of its proper divisors (1).

120512761 is an equidigital number, since it uses as much as digits as its factorization.

120512761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 120512761 is about 10977.8304322849. The cubic root of 120512761 is about 493.9439595605.

Adding to 120512761 its reverse (167215021), we get a palindrome (287727782).

The spelling of 120512761 in words is "one hundred twenty million, five hundred twelve thousand, seven hundred sixty-one".