120906418 has 4 divisors (see below), whose sum is σ = 181359630. Its totient is φ = 60453208.

The previous prime is 120906407. The next prime is 120906427. The reversal of 120906418 is 814609021.

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: 814609021 = 19 ⋅42874159.

It can be written as a sum of positive squares in only one way, i.e., 119530489 + 1375929 = 10933^2 + 1173^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 120906418.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30226603 + ... + 30226606.

Almost surely, 2^120906418 is an apocalyptic number.

120906418 is a deficient number, since it is larger than the sum of its proper divisors (60453212).

120906418 is an equidigital number, since it uses as much as digits as its factorization.

120906418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60453211.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 120906418 is about 10995.7454499456. The cubic root of 120906418 is about 494.4812004864.

The spelling of 120906418 in words is "one hundred twenty million, nine hundred six thousand, four hundred eighteen".