1028193001 has 16 divisors (see below), whose sum is σ = 1132560000. Its totient is φ = 925689600.

The previous prime is 1028192983. The next prime is 1028193017. The reversal of 1028193001 is 1003918201.

It is not a de Polignac number, because 1028193001 - 2⁵ = 1028192969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028193091) 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, 526575 + ... + 528523.

It is an arithmetic number, because the mean of its divisors is an integer number (70785000).

Almost surely, 2^1028193001 is an apocalyptic number.

1028193001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1028193001 is a deficient number, since it is larger than the sum of its proper divisors (104366999).

1028193001 is a wasteful number, since it uses less digits than its factorization.

1028193001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1028193001 is about 32065.4487104110. The cubic root of 1028193001 is about 1009.3107086580.

The spelling of 1028193001 in words is "one billion, twenty-eight million, one hundred ninety-three thousand, one".