1125152003 has 4 divisors (see below), whose sum is σ = 1125286008. Its totient is φ = 1125018000.

The previous prime is 1125151969. The next prime is 1125152023. The reversal of 1125152003 is 3002515211.

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: 3002515211 = 167 ⋅17979133.

It is a cyclic number.

It is not a de Polignac number, because 1125152003 - 2⁶ = 1125151939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125152023) 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 3 ways as a sum of consecutive naturals, for example, 53501 + ... + 71502.

It is an arithmetic number, because the mean of its divisors is an integer number (281321502).

Almost surely, 2^1125152003 is an apocalyptic number.

1125152003 is a deficient number, since it is larger than the sum of its proper divisors (134005).

1125152003 is an equidigital number, since it uses as much as digits as its factorization.

1125152003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134004.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1125152003 is about 33543.2855129011. The cubic root of 1125152003 is about 1040.0887507470.

Adding to 1125152003 its reverse (3002515211), we get a palindrome (4127667214).

The spelling of 1125152003 in words is "one billion, one hundred twenty-five million, one hundred fifty-two thousand, three".