720105153 has 4 divisors (see below), whose sum is σ = 960140208. Its totient is φ = 480070100.

The previous prime is 720105151. The next prime is 720105161. The reversal of 720105153 is 351501027.

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 720105153 - 2¹ = 720105151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720105151) 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, 120017523 + ... + 120017528.

It is an arithmetic number, because the mean of its divisors is an integer number (240035052).

Almost surely, 2^720105153 is an apocalyptic number.

It is an amenable number.

720105153 is a deficient number, since it is larger than the sum of its proper divisors (240035055).

720105153 is a wasteful number, since it uses less digits than its factorization.

720105153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240035054.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 720105153 is about 26834.7750689288. The cubic root of 720105153 is about 896.3245798869.

The spelling of 720105153 in words is "seven hundred twenty million, one hundred five thousand, one hundred fifty-three".