1028120351 has 2 divisors, whose sum is σ = 1028120352. Its totient is φ = 1028120350.

The previous prime is 1028120333. The next prime is 1028120437. The reversal of 1028120351 is 1530218201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1530218201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1028120351 - 2⁶ = 1028120287 is a prime.

It is a super-2 number, since 2×1028120351² = 2114062912280726402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028120321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514060175 + 514060176.

It is an arithmetic number, because the mean of its divisors is an integer number (514060176).

Almost surely, 2^1028120351 is an apocalyptic number.

1028120351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028120351 is an equidigital number, since it uses as much as digits as its factorization.

1028120351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1028120351 is about 32064.3158511140. The cubic root of 1028120351 is about 1009.2869361594.

Adding to 1028120351 its reverse (1530218201), we get a palindrome (2558338552).

The spelling of 1028120351 in words is "one billion, twenty-eight million, one hundred twenty thousand, three hundred fifty-one".