1123549476 has 48 divisors (see below), whose sum is σ = 3059890176. Its totient is φ = 314182944.

The previous prime is 1123549463. The next prime is 1123549489. The reversal of 1123549476 is 6749453211.

It is an interprime number because it is at equal distance from previous prime (1123549463) and next prime (1123549489).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138346 + ... + 146241.

It is an arithmetic number, because the mean of its divisors is an integer number (63747712).

Almost surely, 2^1123549476 is an apocalyptic number.

It is an amenable number.

1123549476 is an abundant number, since it is smaller than the sum of its proper divisors (1936340700).

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

1123549476 is a wasteful number, since it uses less digits than its factorization.

1123549476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284648 (or 284646 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 1123549476 is about 33519.3895529140. The cubic root of 1123549476 is about 1039.5947249794.

The spelling of 1123549476 in words is "one billion, one hundred twenty-three million, five hundred forty-nine thousand, four hundred seventy-six".