1101231125 has 16 divisors (see below), whose sum is σ = 1379851200. Its totient is φ = 877450000.

The previous prime is 1101231121. The next prime is 1101231133. The reversal of 1101231125 is 5211321011.

It is not a de Polignac number, because 1101231125 - 2² = 1101231121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101231121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13826 + ... + 48924.

It is an arithmetic number, because the mean of its divisors is an integer number (86240700).

Almost surely, 2^1101231125 is an apocalyptic number.

It is an amenable number.

1101231125 is a deficient number, since it is larger than the sum of its proper divisors (278620075).

1101231125 is an equidigital number, since it uses as much as digits as its factorization.

1101231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35365 (or 35355 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1101231125 is about 33184.8026210794. The cubic root of 1101231125 is about 1032.6650827388.

Adding to 1101231125 its reverse (5211321011), we get a palindrome (6312552136).

The spelling of 1101231125 in words is "one billion, one hundred one million, two hundred thirty-one thousand, one hundred twenty-five".