120561741 has 6 divisors (see below), whose sum is σ = 174144750. Its totient is φ = 80374488.

The previous prime is 120561737. The next prime is 120561751. The reversal of 120561741 is 147165021.

It is a happy number.

120561741 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 617 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100580841 + 19980900 = 10029^2 + 4470^2 .

It is not a de Polignac number, because 120561741 - 2² = 120561737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120561751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6697866 + ... + 6697883.

It is an arithmetic number, because the mean of its divisors is an integer number (29024125).

Almost surely, 2^120561741 is an apocalyptic number.

It is an amenable number.

120561741 is a deficient number, since it is larger than the sum of its proper divisors (53583009).

120561741 is a wasteful number, since it uses less digits than its factorization.

120561741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13395755 (or 13395752 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 120561741 is about 10980.0610654040. The cubic root of 120561741 is about 494.0108683759.

The spelling of 120561741 in words is "one hundred twenty million, five hundred sixty-one thousand, seven hundred forty-one".