120780249 has 8 divisors (see below), whose sum is σ = 164785632. Its totient is φ = 78647520.

The previous prime is 120780239. The next prime is 120780251. The reversal of 120780249 is 942087021.

It is a happy number.

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

It is not a de Polignac number, because 120780249 - 2⁵ = 120780217 is a prime.

It is a super-3 number, since 3×120780249³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (120780239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468012 + ... + 468269.

It is an arithmetic number, because the mean of its divisors is an integer number (20598204).

Almost surely, 2^120780249 is an apocalyptic number.

It is an amenable number.

120780249 is a deficient number, since it is larger than the sum of its proper divisors (44005383).

120780249 is an equidigital number, since it uses as much as digits as its factorization.

120780249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936327.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 120780249 is about 10990.0067788878. The cubic root of 120780249 is about 494.3091392800.

The spelling of 120780249 in words is "one hundred twenty million, seven hundred eighty thousand, two hundred forty-nine".