1045125503 has 2 divisors, whose sum is σ = 1045125504. Its totient is φ = 1045125502.

The previous prime is 1045125493. The next prime is 1045125517. The reversal of 1045125503 is 3055215401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045125503 - 2²⁴ = 1028348287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045125553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522562751 + 522562752.

It is an arithmetic number, because the mean of its divisors is an integer number (522562752).

Almost surely, 2^1045125503 is an apocalyptic number.

1045125503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045125503 is an equidigital number, since it uses as much as digits as its factorization.

1045125503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1045125503 is about 32328.4008729167. The cubic root of 1045125503 is about 1014.8210845634.

The spelling of 1045125503 in words is "one billion, forty-five million, one hundred twenty-five thousand, five hundred three".