1125550413 has 48 divisors (see below), whose sum is σ = 1799237440. Its totient is φ = 673650432.

The previous prime is 1125550403. The next prime is 1125550451. The reversal of 1125550413 is 3140555211.

It is not a de Polignac number, because 1125550413 - 2⁸ = 1125550157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125550403) 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 47 ways as a sum of consecutive naturals, for example, 2057406 + ... + 2057952.

Almost surely, 2^1125550413 is an apocalyptic number.

1125550413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1125550413 is a deficient number, since it is larger than the sum of its proper divisors (673687027).

1125550413 is a wasteful number, since it uses less digits than its factorization.

1125550413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1125550413 is about 33549.2237317050. The cubic root of 1125550413 is about 1040.2114994535.

The spelling of 1125550413 in words is "one billion, one hundred twenty-five million, five hundred fifty thousand, four hundred thirteen".