120461661 has 24 divisors (see below), whose sum is σ = 181103104. Its totient is φ = 80015040.

The previous prime is 120461651. The next prime is 120461669. The reversal of 120461661 is 166164021.

It is not a de Polignac number, because 120461661 - 2⁹ = 120461149 is a prime.

It is a super-2 number, since 2×120461661² = 29022023541757842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120461669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81156 + ... + 82626.

Almost surely, 2^120461661 is an apocalyptic number.

It is an amenable number.

120461661 is a deficient number, since it is larger than the sum of its proper divisors (60641443).

120461661 is an equidigital number, since it uses as much as digits as its factorization.

120461661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 120461661 is about 10975.5027675273. The cubic root of 120461661 is about 493.8741354067.

The spelling of 120461661 in words is "one hundred twenty million, four hundred sixty-one thousand, six hundred sixty-one".