118430949 has 16 divisors (see below), whose sum is σ = 194348672. Its totient is φ = 62468928.

The previous prime is 118430947. The next prime is 118430999. The reversal of 118430949 is 949034811.

It is not a de Polignac number, because 118430949 - 2¹ = 118430947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118430941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216634 + ... + 217179.

It is an arithmetic number, because the mean of its divisors is an integer number (12146792).

Almost surely, 2^118430949 is an apocalyptic number.

It is an amenable number.

118430949 is a deficient number, since it is larger than the sum of its proper divisors (75917723).

118430949 is a wasteful number, since it uses less digits than its factorization.

118430949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433836.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 118430949 is about 10882.5984489000. The cubic root of 118430949 is about 491.0831916866.

The spelling of 118430949 in words is "one hundred eighteen million, four hundred thirty thousand, nine hundred forty-nine".