120678434 has 4 divisors (see below), whose sum is σ = 181017654. Its totient is φ = 60339216.

The previous prime is 120678433. The next prime is 120678449. The reversal of 120678434 is 434876021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 109098025 + 11580409 = 10445^2 + 3403^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120678394 and 120678403.

It is not an unprimeable number, because it can be changed into a prime (120678433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30169607 + ... + 30169610.

Almost surely, 2^120678434 is an apocalyptic number.

120678434 is a deficient number, since it is larger than the sum of its proper divisors (60339220).

120678434 is an equidigital number, since it uses as much as digits as its factorization.

120678434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60339219.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 120678434 is about 10985.3736395263. The cubic root of 120678434 is about 494.1702031160.

The spelling of 120678434 in words is "one hundred twenty million, six hundred seventy-eight thousand, four hundred thirty-four".