120180449 has 6 divisors (see below), whose sum is σ = 120646566. Its totient is φ = 119715840.

The previous prime is 120180413. The next prime is 120180461. The reversal of 120180449 is 944081021.

It can be written as a sum of positive squares in 3 ways, for example, as 3972049 + 116208400 = 1993^2 + 10780^2 .

It is not a de Polignac number, because 120180449 - 2²⁴ = 103403233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120180469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187169 + ... + 187809.

It is an arithmetic number, because the mean of its divisors is an integer number (20107761).

Almost surely, 2^120180449 is an apocalyptic number.

It is an amenable number.

120180449 is a deficient number, since it is larger than the sum of its proper divisors (466117).

120180449 is an frugal number, since it uses more digits than its factorization.

120180449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 120180449 is about 10962.6843884151. The cubic root of 120180449 is about 493.4895274333.

The spelling of 120180449 in words is "one hundred twenty million, one hundred eighty thousand, four hundred forty-nine".