1028264237 has 32 divisors (see below), whose sum is σ = 1398190080. Its totient is φ = 730192320.

The previous prime is 1028264233. The next prime is 1028264267. The reversal of 1028264237 is 7324628201.

It is not a de Polignac number, because 1028264237 - 2² = 1028264233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1028264197 and 1028264206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028264231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72578 + ... + 85580.

It is an arithmetic number, because the mean of its divisors is an integer number (43693440).

Almost surely, 2^1028264237 is an apocalyptic number.

It is an amenable number.

1028264237 is a deficient number, since it is larger than the sum of its proper divisors (369925843).

1028264237 is a wasteful number, since it uses less digits than its factorization.

1028264237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13113.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1028264237 is about 32066.5594818028. The cubic root of 1028264237 is about 1009.3340173809.

The spelling of 1028264237 in words is "one billion, twenty-eight million, two hundred sixty-four thousand, two hundred thirty-seven".