120478451 has 2 divisors, whose sum is σ = 120478452. Its totient is φ = 120478450.

The previous prime is 120478417. The next prime is 120478481. The reversal of 120478451 is 154874021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (154874021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120478451 - 2⁶ = 120478387 is a prime.

It is not a weakly prime, because it can be changed into another prime (120478481) 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 as a sum of consecutive naturals, namely, 60239225 + 60239226.

It is an arithmetic number, because the mean of its divisors is an integer number (60239226).

Almost surely, 2^120478451 is an apocalyptic number.

120478451 is a deficient number, since it is larger than the sum of its proper divisors (1).

120478451 is an equidigital number, since it uses as much as digits as its factorization.

120478451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 120478451 is about 10976.2676261104. The cubic root of 120478451 is about 493.8970798064.

The spelling of 120478451 in words is "one hundred twenty million, four hundred seventy-eight thousand, four hundred fifty-one".