120681461 has 4 divisors (see below), whose sum is σ = 120705900. Its totient is φ = 120657024.

The previous prime is 120681443. The next prime is 120681467. The reversal of 120681461 is 164186021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164186021 = 373 ⋅440177.

It can be written as a sum of positive squares in 2 ways, for example, as 2002225 + 118679236 = 1415^2 + 10894^2 .

It is a cyclic number.

It is not a de Polignac number, because 120681461 - 2¹⁰ = 120680437 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 (120681467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916 + ... + 15653.

It is an arithmetic number, because the mean of its divisors is an integer number (30176475).

Almost surely, 2^120681461 is an apocalyptic number.

It is an amenable number.

120681461 is a deficient number, since it is larger than the sum of its proper divisors (24439).

120681461 is an equidigital number, since it uses as much as digits as its factorization.

120681461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24438.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 120681461 is about 10985.5114127655. The cubic root of 120681461 is about 494.1743348697.

The spelling of 120681461 in words is "one hundred twenty million, six hundred eighty-one thousand, four hundred sixty-one".