712120 has 32 divisors (see below), whose sum is σ = 1688400. Its totient is φ = 269568.

The previous prime is 712109. The next prime is 712121. The reversal of 712120 is 21217.

It is a super-2 number, since 2×712120² = 1014229788800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 712120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292 + ... + 1228.

2⁷¹²¹²⁰ 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 712120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844200).

712120 is an abundant number, since it is smaller than the sum of its proper divisors (976280).

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

712120 is a wasteful number, since it uses less digits than its factorization.

712120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 712120 is about 843.8720282128. The cubic root of 712120 is about 89.2999181974.

Adding to 712120 its reverse (21217), we get a palindrome (733337).

The spelling of 712120 in words is "seven hundred twelve thousand, one hundred twenty", and thus it is an iban number.