1042401128 has 8 divisors (see below), whose sum is σ = 1954502130. Its totient is φ = 521200560.

The previous prime is 1042401083. The next prime is 1042401131. The reversal of 1042401128 is 8211042401.

1042401128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1037999524 + 4401604 = 32218^2 + 2098^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1042401128² = 2173200223311344768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65150063 + ... + 65150078.

Almost surely, 2^1042401128 is an apocalyptic number.

It is an amenable number.

1042401128 is a deficient number, since it is larger than the sum of its proper divisors (912101002).

1042401128 is a wasteful number, since it uses less digits than its factorization.

1042401128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130300147 (or 130300143 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1042401128 is about 32286.2374395035. The cubic root of 1042401128 is about 1013.9385242060.

Adding to 1042401128 its reverse (8211042401), we get a palindrome (9253443529).

The spelling of 1042401128 in words is "one billion, forty-two million, four hundred one thousand, one hundred twenty-eight".