1125123032025 has 72 divisors (see below), whose sum is σ = 2048355826400. Its totient is φ = 590225771520.

The previous prime is 1125123032021. The next prime is 1125123032051. The reversal of 1125123032025 is 5202303215211.

1125123032025 is a `hidden beast` number, since 112 + 512 + 3 + 0 + 32 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 1125123032025 - 2² = 1125123032021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125123032025.

It is not an unprimeable number, because it can be changed into a prime (1125123032021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10090026 + ... + 10200924.

Almost surely, 2^{1125123032025} is an apocalyptic number.

1125123032025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125123032025 is a deficient number, since it is larger than the sum of its proper divisors (923232794375).

1125123032025 is a wasteful number, since it uses less digits than its factorization.

1125123032025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111655 (or 111647 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1125123032025 its reverse (5202303215211), we get a palindrome (6327426247236).

The spelling of 1125123032025 in words is "one trillion, one hundred twenty-five billion, one hundred twenty-three million, thirty-two thousand, twenty-five".