1028412001 has 4 divisors (see below), whose sum is σ = 1031719104. Its totient is φ = 1025104900.

The previous prime is 1028411987. The next prime is 1028412071. The reversal of 1028412001 is 1002148201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1002148201 = 1531 ⋅654571.

It is a cyclic number.

It is not a de Polignac number, because 1028412001 - 2⁷ = 1028411873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028412001.

It is not an unprimeable number, because it can be changed into a prime (1028412071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653085 + ... + 1653706.

It is an arithmetic number, because the mean of its divisors is an integer number (257929776).

Almost surely, 2^1028412001 is an apocalyptic number.

It is an amenable number.

1028412001 is a deficient number, since it is larger than the sum of its proper divisors (3307103).

1028412001 is an equidigital number, since it uses as much as digits as its factorization.

1028412001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307102.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1028412001 is about 32068.8634192109. The cubic root of 1028412001 is about 1009.3823629595.

The spelling of 1028412001 in words is "one billion, twenty-eight million, four hundred twelve thousand, one".