1125093427 has 4 divisors (see below), whose sum is σ = 1135050120. Its totient is φ = 1115136736.

The previous prime is 1125093421. The next prime is 1125093433. The reversal of 1125093427 is 7243905211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7243905211 = 19 ⋅381258169.

It is an interprime number because it is at equal distance from previous prime (1125093421) and next prime (1125093433).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125093427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125093392 and 1125093401.

It is not an unprimeable number, because it can be changed into a prime (1125093421) 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 3 ways as a sum of consecutive naturals, for example, 4978177 + ... + 4978402.

It is an arithmetic number, because the mean of its divisors is an integer number (283762530).

Almost surely, 2^1125093427 is an apocalyptic number.

1125093427 is a deficient number, since it is larger than the sum of its proper divisors (9956693).

1125093427 is an equidigital number, since it uses as much as digits as its factorization.

1125093427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9956692.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1125093427 is about 33542.4123610691. The cubic root of 1125093427 is about 1040.0707012462.

Adding to 1125093427 its reverse (7243905211), we get a palindrome (8368998638).

The spelling of 1125093427 in words is "one billion, one hundred twenty-five million, ninety-three thousand, four hundred twenty-seven".