120549245 has 4 divisors (see below), whose sum is σ = 144659100. Its totient is φ = 96439392.

The previous prime is 120549241. The next prime is 120549251. The reversal of 120549245 is 542945021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542945021 = 743 ⋅730747.

It can be written as a sum of positive squares in 2 ways, for example, as 41499364 + 79049881 = 6442^2 + 8891^2 .

It is a cyclic number.

It is not a de Polignac number, because 120549245 - 2² = 120549241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120549241) 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, 12054920 + ... + 12054929.

It is an arithmetic number, because the mean of its divisors is an integer number (36164775).

Almost surely, 2^120549245 is an apocalyptic number.

It is an amenable number.

120549245 is a deficient number, since it is larger than the sum of its proper divisors (24109855).

120549245 is an equidigital number, since it uses as much as digits as its factorization.

120549245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24109854.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 120549245 is about 10979.4920192147. The cubic root of 120549245 is about 493.9938000173.

The spelling of 120549245 in words is "one hundred twenty million, five hundred forty-nine thousand, two hundred forty-five".