1153125003 has 4 divisors (see below), whose sum is σ = 1537500008. Its totient is φ = 768750000.

The previous prime is 1153124971. The next prime is 1153125019. The reversal of 1153125003 is 3005213511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1153125003 - 2⁵ = 1153124971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153123003) 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, 192187498 + ... + 192187503.

It is an arithmetic number, because the mean of its divisors is an integer number (384375002).

Almost surely, 2^1153125003 is an apocalyptic number.

1153125003 is a deficient number, since it is larger than the sum of its proper divisors (384375005).

1153125003 is an equidigital number, since it uses as much as digits as its factorization.

1153125003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384375004.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1153125003 is about 33957.6943121879. The cubic root of 1153125003 is about 1048.6376899407.

Adding to 1153125003 its reverse (3005213511), we get a palindrome (4158338514).

The spelling of 1153125003 in words is "one billion, one hundred fifty-three million, one hundred twenty-five thousand, three".