120988249 has 2 divisors, whose sum is σ = 120988250. Its totient is φ = 120988248.

The previous prime is 120988237. The next prime is 120988271. The reversal of 120988249 is 942889021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64513024 + 56475225 = 8032^2 + 7515^2 .

It is a cyclic number.

It is not a de Polignac number, because 120988249 - 2⁷ = 120988121 is a prime.

It is not a weakly prime, because it can be changed into another prime (120988649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60494124 + 60494125.

It is an arithmetic number, because the mean of its divisors is an integer number (60494125).

Almost surely, 2^120988249 is an apocalyptic number.

It is an amenable number.

120988249 is a deficient number, since it is larger than the sum of its proper divisors (1).

120988249 is an equidigital number, since it uses as much as digits as its factorization.

120988249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 120988249 is about 10999.4658506675. The cubic root of 120988249 is about 494.5927323813.

The spelling of 120988249 in words is "one hundred twenty million, nine hundred eighty-eight thousand, two hundred forty-nine".