1125519629 has 8 divisors (see below), whose sum is σ = 1283398200. Its totient is φ = 977826816.

The previous prime is 1125519623. The next prime is 1125519641. The reversal of 1125519629 is 9269155211.

It can be written as a sum of positive squares in 4 ways, for example, as 302690404 + 822829225 = 17398^2 + 28685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125519629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125519623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2546204 + ... + 2546645.

It is an arithmetic number, because the mean of its divisors is an integer number (160424775).

Almost surely, 2^1125519629 is an apocalyptic number.

It is an amenable number.

1125519629 is a deficient number, since it is larger than the sum of its proper divisors (157878571).

1125519629 is a wasteful number, since it uses less digits than its factorization.

1125519629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092879.

The product of its digits is 48600, while the sum is 41.

The square root of 1125519629 is about 33548.7649400093. The cubic root of 1125519629 is about 1040.2020160451.

The spelling of 1125519629 in words is "one billion, one hundred twenty-five million, five hundred nineteen thousand, six hundred twenty-nine".