1028121676 has 24 divisors (see below), whose sum is σ = 1815448320. Its totient is φ = 509443200.

The previous prime is 1028121671. The next prime is 1028121683. The reversal of 1028121676 is 6761218201.

It is a super-2 number, since 2×1028121676² = 2114068361322097952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1028121671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212290 + ... + 217078.

It is an arithmetic number, because the mean of its divisors is an integer number (75643680).

Almost surely, 2^1028121676 is an apocalyptic number.

It is an amenable number.

1028121676 is a deficient number, since it is larger than the sum of its proper divisors (787326644).

1028121676 is a wasteful number, since it uses less digits than its factorization.

1028121676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1028121676 is about 32064.3365127052. The cubic root of 1028121676 is about 1009.2873697353.

Adding to 1028121676 its reverse (6761218201), we get a palindrome (7789339877).

The spelling of 1028121676 in words is "one billion, twenty-eight million, one hundred twenty-one thousand, six hundred seventy-six".