720102501 has 16 divisors (see below), whose sum is σ = 1072785600. Its totient is φ = 477383184.

The previous prime is 720102491. The next prime is 720102529. The reversal of 720102501 is 105201027.

It is not a de Polignac number, because 720102501 - 2⁶ = 720102437 is a prime.

It is a super-2 number, since 2×720102501² = 1037095223892910002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69666 + ... + 79331.

It is an arithmetic number, because the mean of its divisors is an integer number (67049100).

Almost surely, 2^720102501 is an apocalyptic number.

It is an amenable number.

720102501 is a deficient number, since it is larger than the sum of its proper divisors (352683099).

720102501 is a wasteful number, since it uses less digits than its factorization.

720102501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149185 (or 149179 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 720102501 is about 26834.7256553891. The cubic root of 720102501 is about 896.3234795588.

Adding to 720102501 its reverse (105201027), we get a palindrome (825303528).

The spelling of 720102501 in words is "seven hundred twenty million, one hundred two thousand, five hundred one".