1125522929 has 4 divisors (see below), whose sum is σ = 1125950784. Its totient is φ = 1125095076.

The previous prime is 1125522919. The next prime is 1125522947. The reversal of 1125522929 is 9292255211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1125522929 - 2¹² = 1125518833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125522892 and 1125522901.

It is not an unprimeable number, because it can be changed into a prime (1125522919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209957 + ... + 215250.

It is an arithmetic number, because the mean of its divisors is an integer number (281487696).

Almost surely, 2^1125522929 is an apocalyptic number.

It is an amenable number.

1125522929 is a deficient number, since it is larger than the sum of its proper divisors (427855).

1125522929 is an equidigital number, since it uses as much as digits as its factorization.

1125522929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427854.

The product of its digits is 32400, while the sum is 38.

The square root of 1125522929 is about 33548.8141221117. The cubic root of 1125522929 is about 1040.2030326609.

The spelling of 1125522929 in words is "one billion, one hundred twenty-five million, five hundred twenty-two thousand, nine hundred twenty-nine".