1028627201 has 16 divisors (see below), whose sum is σ = 1208315520. Its totient is φ = 857450880.

The previous prime is 1028627179. The next prime is 1028627207. The reversal of 1028627201 is 1027268201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028627201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028627207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24470 + ... + 51536.

It is an arithmetic number, because the mean of its divisors is an integer number (75519720).

Almost surely, 2^1028627201 is an apocalyptic number.

It is an amenable number.

1028627201 is a deficient number, since it is larger than the sum of its proper divisors (179688319).

1028627201 is an equidigital number, since it uses as much as digits as its factorization.

1028627201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27224.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1028627201 is about 32072.2185232017. The cubic root of 1028627201 is about 1009.4527640356.

The spelling of 1028627201 in words is "one billion, twenty-eight million, six hundred twenty-seven thousand, two hundred one".