1155124025 has 12 divisors (see below), whose sum is σ = 1562568144. Its totient is φ = 840090000.

The previous prime is 1155124001. The next prime is 1155124043. The reversal of 1155124025 is 5204215511.

It is not a de Polignac number, because 1155124025 - 2⁶ = 1155123961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1155123985 and 1155124003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2099951 + ... + 2100500.

It is an arithmetic number, because the mean of its divisors is an integer number (130214012).

Almost surely, 2^1155124025 is an apocalyptic number.

It is an amenable number.

1155124025 is a deficient number, since it is larger than the sum of its proper divisors (407444119).

1155124025 is a wasteful number, since it uses less digits than its factorization.

1155124025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200472 (or 4200467 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1155124025 is about 33987.1155734052. The cubic root of 1155124025 is about 1049.2433021223.

Adding to 1155124025 its reverse (5204215511), we get a palindrome (6359339536).

The spelling of 1155124025 in words is "one billion, one hundred fifty-five million, one hundred twenty-four thousand, twenty-five".