120572545 has 4 divisors (see below), whose sum is σ = 144687060. Its totient is φ = 96458032.

The previous prime is 120572533. The next prime is 120572549. The reversal of 120572545 is 545275021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545275021 = 367 ⋅1485763.

It can be written as a sum of positive squares in 2 ways, for example, as 32080896 + 88491649 = 5664^2 + 9407^2 .

It is a cyclic number.

It is not a de Polignac number, because 120572545 - 2¹⁵ = 120539777 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (120572549) 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, 12057250 + ... + 12057259.

It is an arithmetic number, because the mean of its divisors is an integer number (36171765).

Almost surely, 2^120572545 is an apocalyptic number.

It is an amenable number.

120572545 is a deficient number, since it is larger than the sum of its proper divisors (24114515).

120572545 is an equidigital number, since it uses as much as digits as its factorization.

120572545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24114514.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 120572545 is about 10980.5530370742. The cubic root of 120572545 is about 494.0256246713.

The spelling of 120572545 in words is "one hundred twenty million, five hundred seventy-two thousand, five hundred forty-five".