120720153 has 8 divisors (see below), whose sum is σ = 162135648. Its totient is φ = 79892384.

The previous prime is 120720151. The next prime is 120720161. The reversal of 120720153 is 351027021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120720153 - 2¹ = 120720151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120720151) 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, 146451 + ... + 147272.

It is an arithmetic number, because the mean of its divisors is an integer number (20266956).

Almost surely, 2^120720153 is an apocalyptic number.

It is an amenable number.

120720153 is a deficient number, since it is larger than the sum of its proper divisors (41415495).

120720153 is a wasteful number, since it uses less digits than its factorization.

120720153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293863.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 120720153 is about 10987.2723184601. The cubic root of 120720153 is about 494.2271420701.

Adding to 120720153 its reverse (351027021), we get a palindrome (471747174).

The spelling of 120720153 in words is "one hundred twenty million, seven hundred twenty thousand, one hundred fifty-three".