860421120 has 352 divisors, whose sum is σ = 3081308160. Its totient is φ = 203489280.

The previous prime is 860421083. The next prime is 860421139. The reversal of 860421120 is 21124068.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6190011 + ... + 6190149.

Almost surely, 2^860421120 is an apocalyptic number.

860421120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540654080).

860421120 is an abundant number, since it is smaller than the sum of its proper divisors (2220887040).

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

860421120 is a wasteful number, since it uses less digits than its factorization.

860421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 860421120 is about 29332.9357548814. The cubic root of 860421120 is about 951.1237376325.

Adding to 860421120 its reverse (21124068), we get a palindrome (881545188).

The spelling of 860421120 in words is "eight hundred sixty million, four hundred twenty-one thousand, one hundred twenty".