1252004035 has 4 divisors (see below), whose sum is σ = 1502404848. Its totient is φ = 1001603224.

The previous prime is 1252003937. The next prime is 1252004041. The reversal of 1252004035 is 5304002521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252004035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252003997 and 1252004015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125200399 + ... + 125200408.

It is an arithmetic number, because the mean of its divisors is an integer number (375601212).

Almost surely, 2^1252004035 is an apocalyptic number.

1252004035 is a deficient number, since it is larger than the sum of its proper divisors (250400813).

1252004035 is an equidigital number, since it uses as much as digits as its factorization.

1252004035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250400812.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1252004035 is about 35383.6690437835. The cubic root of 1252004035 is about 1077.7927126468.

Adding to 1252004035 its reverse (5304002521), we get a palindrome (6556006556).

The spelling of 1252004035 in words is "one billion, two hundred fifty-two million, four thousand, thirty-five".