118543402 has 4 divisors (see below), whose sum is σ = 177815106. Its totient is φ = 59271700.

The previous prime is 118543393. The next prime is 118543417. The reversal of 118543402 is 204345811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204345811 = 5651 ⋅36161.

It can be written as a sum of positive squares in only one way, i.e., 116229961 + 2313441 = 10781^2 + 1521^2 .

It is an unprimeable number.

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, 29635849 + ... + 29635852.

Almost surely, 2^118543402 is an apocalyptic number.

118543402 is a deficient number, since it is larger than the sum of its proper divisors (59271704).

118543402 is an equidigital number, since it uses as much as digits as its factorization.

118543402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59271703.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 118543402 is about 10887.7638659185. The cubic root of 118543402 is about 491.2385742367.

The spelling of 118543402 in words is "one hundred eighteen million, five hundred forty-three thousand, four hundred two".