949749123 has 8 divisors (see below), whose sum is σ = 1266496528. Its totient is φ = 633083904.

The previous prime is 949749109. The next prime is 949749161. The reversal of 949749123 is 321947949.

It is a happy number.

It is a Cunningham number, because it is equal to 30818²-1.

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

It is not a de Polignac number, because 949749123 - 2²⁸ = 681313667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949749103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15411 + ... + 46227.

It is an arithmetic number, because the mean of its divisors is an integer number (158312066).

Almost surely, 2^949749123 is an apocalyptic number.

949749123 is a deficient number, since it is larger than the sum of its proper divisors (316747405).

949749123 is a wasteful number, since it uses less digits than its factorization.

949749123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41093.

The product of its digits is 489888, while the sum is 48.

The square root of 949749123 is about 30817.9999837757. Note that the first 4 decimals coincide. The cubic root of 949749123 is about 982.9610301271.

The spelling of 949749123 in words is "nine hundred forty-nine million, seven hundred forty-nine thousand, one hundred twenty-three".