1123521052 has 6 divisors (see below), whose sum is σ = 1966161848. Its totient is φ = 561760524.

The previous prime is 1123521031. The next prime is 1123521151. The reversal of 1123521052 is 2501253211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140440128 + ... + 140440135.

Almost surely, 2^1123521052 is an apocalyptic number.

It is an amenable number.

1123521052 is a deficient number, since it is larger than the sum of its proper divisors (842640796).

1123521052 is a wasteful number, since it uses less digits than its factorization.

1123521052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280880267 (or 280880265 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1123521052 is about 33518.9655568307. The cubic root of 1123521052 is about 1039.5859582124.

Adding to 1123521052 its reverse (2501253211), we get a palindrome (3624774263).

The spelling of 1123521052 in words is "one billion, one hundred twenty-three million, five hundred twenty-one thousand, fifty-two".