1028572061 has 16 divisors (see below), whose sum is σ = 1140894720. Its totient is φ = 919516080.

The previous prime is 1028572031. The next prime is 1028572091. The reversal of 1028572061 is 1602758201.

It is an interprime number because it is at equal distance from previous prime (1028572031) and next prime (1028572091).

It is a cyclic number.

It is not a de Polignac number, because 1028572061 - 2¹⁸ = 1028309917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028572001) 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, 160460 + ... + 166746.

It is an arithmetic number, because the mean of its divisors is an integer number (71305920).

Almost surely, 2^1028572061 is an apocalyptic number.

1028572061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1028572061 is a deficient number, since it is larger than the sum of its proper divisors (112322659).

1028572061 is a wasteful number, since it uses less digits than its factorization.

1028572061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1028572061 is about 32071.3588892021. The cubic root of 1028572061 is about 1009.4347263313.

The spelling of 1028572061 in words is "one billion, twenty-eight million, five hundred seventy-two thousand, sixty-one".