120400234 has 8 divisors (see below), whose sum is σ = 180826020. Its totient is φ = 60124896.

The previous prime is 120400219. The next prime is 120400237. The reversal of 120400234 is 432004021.

It can be written as a sum of positive squares in 2 ways, for example, as 114383025 + 6017209 = 10695^2 + 2453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (120400237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35589 + ... + 38824.

Almost surely, 2^120400234 is an apocalyptic number.

120400234 is a deficient number, since it is larger than the sum of its proper divisors (60425786).

120400234 is an equidigital number, since it uses as much as digits as its factorization.

120400234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75224.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 120400234 is about 10972.7040423042. The cubic root of 120400234 is about 493.7901740745.

Adding to 120400234 its reverse (432004021), we get a palindrome (552404255).

The spelling of 120400234 in words is "one hundred twenty million, four hundred thousand, two hundred thirty-four".