53012120 has 192 divisors, whose sum is σ = 154392480. Its totient is φ = 16257024.

The previous prime is 53012119. The next prime is 53012123. The reversal of 53012120 is 2121035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 53012095 and 53012104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53012123) 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, 1232819 + ... + 1232861.

Almost surely, 2^53012120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77196240).

53012120 is an abundant number, since it is smaller than the sum of its proper divisors (101380360).

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

53012120 is a wasteful number, since it uses less digits than its factorization.

53012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 53012120 is about 7280.9422467150. The cubic root of 53012120 is about 375.6572060595.

Adding to 53012120 its reverse (2121035), we get a palindrome (55133155).

The spelling of 53012120 in words is "fifty-three million, twelve thousand, one hundred twenty".