1123202025 has 48 divisors (see below), whose sum is σ = 2250957120. Its totient is φ = 544579200.

The previous prime is 1123202009. The next prime is 1123202029. The reversal of 1123202025 is 5202023211.

It is not a de Polignac number, because 1123202025 - 2⁴ = 1123202009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123201989 and 1123202007.

It is not an unprimeable number, because it can be changed into a prime (1123202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68212 + ... + 83061.

It is an arithmetic number, because the mean of its divisors is an integer number (46894940).

Almost surely, 2^1123202025 is an apocalyptic number.

1123202025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1123202025 is an abundant number, since it is smaller than the sum of its proper divisors (1127755095).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123202025 is a wasteful number, since it uses less digits than its factorization.

1123202025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151303 (or 151292 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1123202025 is about 33514.2063161281. The cubic root of 1123202025 is about 1039.4875511004.

Adding to 1123202025 its reverse (5202023211), we get a palindrome (6325225236).

The spelling of 1123202025 in words is "one billion, one hundred twenty-three million, two hundred two thousand, twenty-five".