1123525516 has 24 divisors (see below), whose sum is σ = 1994554800. Its totient is φ = 553684992.

The previous prime is 1123525493. The next prime is 1123525567. The reversal of 1123525516 is 6155253211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145300 + ... + 152836.

It is an arithmetic number, because the mean of its divisors is an integer number (83106450).

Almost surely, 2^1123525516 is an apocalyptic number.

It is an amenable number.

1123525516 is a deficient number, since it is larger than the sum of its proper divisors (871029284).

1123525516 is a wasteful number, since it uses less digits than its factorization.

1123525516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8073 (or 8071 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 1123525516 is about 33519.0321459317. The cubic root of 1123525516 is about 1039.5873350463.

Adding to 1123525516 its reverse (6155253211), we get a palindrome (7278778727).

The spelling of 1123525516 in words is "one billion, one hundred twenty-three million, five hundred twenty-five thousand, five hundred sixteen".