120424161 has 48 divisors (see below), whose sum is σ = 192456320. Its totient is φ = 66924000.

The previous prime is 120424121. The next prime is 120424189. The reversal of 120424161 is 161424021.

It is a happy number.

It is not a de Polignac number, because 120424161 - 2⁶ = 120424097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120424111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 797436 + ... + 797586.

Almost surely, 2^120424161 is an apocalyptic number.

120424161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120424161 is a deficient number, since it is larger than the sum of its proper divisors (72032159).

120424161 is a wasteful number, since it uses less digits than its factorization.

120424161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 120424161 is about 10973.7942845672. The cubic root of 120424161 is about 493.8228820257.

Adding to 120424161 its reverse (161424021), we get a palindrome (281848182).

The spelling of 120424161 in words is "one hundred twenty million, four hundred twenty-four thousand, one hundred sixty-one".