720130 has 32 divisors (see below), whose sum is σ = 1410048. Its totient is φ = 264000.

The previous prime is 720127. The next prime is 720133. The reversal of 720130 is 31027.

720130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (720127) and next prime (720133).

It is a self number, because there is not a number n which added to its sum of digits gives 720130.

It is not an unprimeable number, because it can be changed into a prime (720133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7080 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (44064).

2⁷²⁰¹³⁰ is an apocalyptic number.

720130 is a deficient number, since it is larger than the sum of its proper divisors (689918).

720130 is a wasteful number, since it uses less digits than its factorization.

720130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 720130 is about 848.6047372010. The cubic root of 720130 is about 89.6334888900.

Adding to 720130 its reverse (31027), we get a palindrome (751157).

The spelling of 720130 in words is "seven hundred twenty thousand, one hundred thirty".