1149273948 has 24 divisors (see below), whose sum is σ = 2684700928. Its totient is φ = 382653936.

The previous prime is 1149273941. The next prime is 1149273953. The reversal of 1149273948 is 8493729411.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1149273897 and 1149273906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149273941) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 43636 + ... + 64827.

Almost surely, 2^1149273948 is an apocalyptic number.

It is an amenable number.

1149273948 is an abundant number, since it is smaller than the sum of its proper divisors (1535426980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149273948 is a wasteful number, since it uses less digits than its factorization.

1149273948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109353 (or 109351 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 1149273948 is about 33900.9431727201. The cubic root of 1149273948 is about 1047.4690206395.

The spelling of 1149273948 in words is "one billion, one hundred forty-nine million, two hundred seventy-three thousand, nine hundred forty-eight".