1128435213 has 24 divisors (see below), whose sum is σ = 1627842720. Its totient is φ = 693385920.

The previous prime is 1128435193. The next prime is 1128435233. The reversal of 1128435213 is 3125348211.

It is an interprime number because it is at equal distance from previous prime (1128435193) and next prime (1128435233).

It is not a de Polignac number, because 1128435213 - 2⁵ = 1128435181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128435233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70803 + ... + 85263.

It is an arithmetic number, because the mean of its divisors is an integer number (67826780).

Almost surely, 2^1128435213 is an apocalyptic number.

It is an amenable number.

1128435213 is a deficient number, since it is larger than the sum of its proper divisors (499407507).

1128435213 is a wasteful number, since it uses less digits than its factorization.

1128435213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14557 (or 14520 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1128435213 is about 33592.1897619075. The cubic root of 1128435213 is about 1041.0994330503.

The spelling of 1128435213 in words is "one billion, one hundred twenty-eight million, four hundred thirty-five thousand, two hundred thirteen".