1252735603 has 16 divisors (see below), whose sum is σ = 1501691904. Its totient is φ = 1022513760.

The previous prime is 1252735597. The next prime is 1252735619. The reversal of 1252735603 is 3065372521.

It is a cyclic number.

It is not a de Polignac number, because 1252735603 - 2¹⁷ = 1252604531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252735703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39283 + ... + 63628.

It is an arithmetic number, because the mean of its divisors is an integer number (93855744).

Almost surely, 2^1252735603 is an apocalyptic number.

1252735603 is a deficient number, since it is larger than the sum of its proper divisors (248956301).

1252735603 is a wasteful number, since it uses less digits than its factorization.

1252735603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103002.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 1252735603 is about 35394.0051844942. The cubic root of 1252735603 is about 1078.0025961916.

The spelling of 1252735603 in words is "one billion, two hundred fifty-two million, seven hundred thirty-five thousand, six hundred three".