918124249 has 8 divisors (see below), whose sum is σ = 1064946368. Its totient is φ = 775217520.

The previous prime is 918124231. The next prime is 918124271. The reversal of 918124249 is 942421819.

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

It is not a de Polignac number, because 918124249 - 2⁷ = 918124121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918124279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978342 + ... + 979279.

It is an arithmetic number, because the mean of its divisors is an integer number (133118296).

Almost surely, 2^918124249 is an apocalyptic number.

It is an amenable number.

918124249 is a deficient number, since it is larger than the sum of its proper divisors (146822119).

918124249 is a wasteful number, since it uses less digits than its factorization.

918124249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957695.

The product of its digits is 41472, while the sum is 40.

The square root of 918124249 is about 30300.5651597458. The cubic root of 918124249 is about 971.9273857392.

The spelling of 918124249 in words is "nine hundred eighteen million, one hundred twenty-four thousand, two hundred forty-nine".