118946 has 4 divisors (see below), whose sum is σ = 178422. Its totient is φ = 59472.

The previous prime is 118931. The next prime is 118967. The reversal of 118946 is 649811.

118946 = 94² + 95² + ... + 105².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 649811 = 107 ⋅6073.

It can be written as a sum of positive squares in only one way, i.e., 93025 + 25921 = 305^2 + 161^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29735 + ... + 29738.

2¹¹⁸⁹⁴⁶ is an apocalyptic number.

118946 is a deficient number, since it is larger than the sum of its proper divisors (59476).

118946 is an equidigital number, since it uses as much as digits as its factorization.

118946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59475.

The product of its digits is 1728, while the sum is 29.

The square root of 118946 is about 344.8854882421. The cubic root of 118946 is about 49.1794061916.

It can be divided in two parts, 118 and 946, that multiplied together give a triangular number (111628 = T₄₇₂).

The spelling of 118946 in words is "one hundred eighteen thousand, nine hundred forty-six".