1123545476 has 6 divisors (see below), whose sum is σ = 1966204590. Its totient is φ = 561772736.

The previous prime is 1123545461. The next prime is 1123545491. The reversal of 1123545476 is 6745453211.

It is an interprime number because it is at equal distance from previous prime (1123545461) and next prime (1123545491).

It can be written as a sum of positive squares in only one way, i.e., 909625600 + 213919876 = 30160^2 + 14626^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140443181 + ... + 140443188.

It is an arithmetic number, because the mean of its divisors is an integer number (327700765).

Almost surely, 2^1123545476 is an apocalyptic number.

It is an amenable number.

1123545476 is a deficient number, since it is larger than the sum of its proper divisors (842659114).

1123545476 is a wasteful number, since it uses less digits than its factorization.

1123545476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280886373 (or 280886371 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 1123545476 is about 33519.3298859031. The cubic root of 1123545476 is about 1039.5934912750.

Adding to 1123545476 its reverse (6745453211), we get a palindrome (7868998687).

The spelling of 1123545476 in words is "one billion, one hundred twenty-three million, five hundred forty-five thousand, four hundred seventy-six".