720141 has 4 divisors (see below), whose sum is σ = 960192. Its totient is φ = 480092.

The previous prime is 720133. The next prime is 720151. The reversal of 720141 is 141027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 720141 - 2³ = 720133 is a prime.

It is a D-number.

720141 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 720141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120021 + ... + 120026.

It is an arithmetic number, because the mean of its divisors is an integer number (240048).

2⁷²⁰¹⁴¹ is an apocalyptic number.

It is an amenable number.

720141 is a deficient number, since it is larger than the sum of its proper divisors (240051).

720141 is a wasteful number, since it uses less digits than its factorization.

720141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240050.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 720141 is about 848.6112184033. The cubic root of 720141 is about 89.6339452721.

Adding to 720141 its reverse (141027), we get a palindrome (861168).

It can be divided in two parts, 720 and 141, that added together give a triangular number (861 = T₄₁).

The spelling of 720141 in words is "seven hundred twenty thousand, one hundred forty-one", and thus it is an iban number.