120340463 has 4 divisors (see below), whose sum is σ = 121863840. Its totient is φ = 118817088.

The previous prime is 120340457. The next prime is 120340477. The reversal of 120340463 is 364043021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364043021 = 19 ⋅19160159.

It is a cyclic number.

It is not a de Polignac number, because 120340463 - 2¹⁸ = 120078319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120340483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761570 + ... + 761727.

It is an arithmetic number, because the mean of its divisors is an integer number (30465960).

Almost surely, 2^120340463 is an apocalyptic number.

120340463 is a deficient number, since it is larger than the sum of its proper divisors (1523377).

120340463 is an equidigital number, since it uses as much as digits as its factorization.

120340463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523376.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 120340463 is about 10969.9800820239. The cubic root of 120340463 is about 493.7084488241.

Adding to 120340463 its reverse (364043021), we get a palindrome (484383484).

The spelling of 120340463 in words is "one hundred twenty million, three hundred forty thousand, four hundred sixty-three".