120784249 has 2 divisors, whose sum is σ = 120784250. Its totient is φ = 120784248.

The previous prime is 120784229. The next prime is 120784327. The reversal of 120784249 is 942487021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87086224 + 33698025 = 9332^2 + 5805^2 .

It is a cyclic number.

It is not a de Polignac number, because 120784249 - 2¹³ = 120776057 is a prime.

It is not a weakly prime, because it can be changed into another prime (120784229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60392124 + 60392125.

It is an arithmetic number, because the mean of its divisors is an integer number (60392125).

Almost surely, 2^120784249 is an apocalyptic number.

It is an amenable number.

120784249 is a deficient number, since it is larger than the sum of its proper divisors (1).

120784249 is an equidigital number, since it uses as much as digits as its factorization.

120784249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 120784249 is about 10990.1887608903. The cubic root of 120784249 is about 494.3145960628.

The spelling of 120784249 in words is "one hundred twenty million, seven hundred eighty-four thousand, two hundred forty-nine".