461220120 has 48 divisors (see below), whose sum is σ = 1498966560. Its totient is φ = 122991936.

The previous prime is 461220061. The next prime is 461220121. The reversal of 461220120 is 21022164.

461220120 is a `hidden beast` number, since 461 + 2 + 201 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 461220093 and 461220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461220121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640224 + ... + 640943.

It is an arithmetic number, because the mean of its divisors is an integer number (31228470).

Almost surely, 2^461220120 is an apocalyptic number.

461220120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

461220120 is an abundant number, since it is smaller than the sum of its proper divisors (1037746440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461220120 is a wasteful number, since it uses less digits than its factorization.

461220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281184 (or 1281177 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 461220120 is about 21476.0359470737. The cubic root of 461220120 is about 772.6261709899.

Adding to 461220120 its reverse (21022164), we get a palindrome (482242284).

The spelling of 461220120 in words is "four hundred sixty-one million, two hundred twenty thousand, one hundred twenty".