120306061 has 4 divisors (see below), whose sum is σ = 120509532. Its totient is φ = 120102592.

The previous prime is 120306037. The next prime is 120306083. The reversal of 120306061 is 160603021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160603021 = 281 ⋅571541.

It can be written as a sum of positive squares in 2 ways, for example, as 43480836 + 76825225 = 6594^2 + 8765^2 .

It is a cyclic number.

It is not a de Polignac number, because 120306061 - 2¹³ = 120297869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120306001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100846 + ... + 102031.

It is an arithmetic number, because the mean of its divisors is an integer number (30127383).

Almost surely, 2^120306061 is an apocalyptic number.

It is an amenable number.

120306061 is a deficient number, since it is larger than the sum of its proper divisors (203471).

120306061 is an equidigital number, since it uses as much as digits as its factorization.

120306061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203470.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 120306061 is about 10968.4119634521. The cubic root of 120306061 is about 493.6613984905.

Adding to 120306061 its reverse (160603021), we get a palindrome (280909082).

The spelling of 120306061 in words is "one hundred twenty million, three hundred six thousand, sixty-one".