1122131125 has 8 divisors (see below), whose sum is σ = 1400419800. Its totient is φ = 897704800.

The previous prime is 1122131123. The next prime is 1122131137. The reversal of 1122131125 is 5211312211.

It can be written as a sum of positive squares in 4 ways, for example, as 16834609 + 1105296516 = 4103^2 + 33246^2 .

It is not a de Polignac number, because 1122131125 - 2¹ = 1122131123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122131123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4488400 + ... + 4488649.

It is an arithmetic number, because the mean of its divisors is an integer number (175052475).

Almost surely, 2^1122131125 is an apocalyptic number.

It is an amenable number.

1122131125 is a deficient number, since it is larger than the sum of its proper divisors (278288675).

1122131125 is an frugal number, since it uses more digits than its factorization.

1122131125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977064 (or 8977054 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 1122131125 is about 33498.2256992814. The cubic root of 1122131125 is about 1039.1570848188.

Adding to 1122131125 its reverse (5211312211), we get a palindrome (6333443336).

The spelling of 1122131125 in words is "one billion, one hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-five".