1028454132 has 48 divisors (see below), whose sum is σ = 2426941440. Its totient is φ = 338946048.

The previous prime is 1028454113. The next prime is 1028454137. The reversal of 1028454132 is 2314548201.

It is a self number, because there is not a number n which added to its sum of digits gives 1028454132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028454137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803469 + ... + 804747.

It is an arithmetic number, because the mean of its divisors is an integer number (50561280).

Almost surely, 2^1028454132 is an apocalyptic number.

1028454132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1028454132 is an abundant number, since it is smaller than the sum of its proper divisors (1398487308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028454132 is a wasteful number, since it uses less digits than its factorization.

1028454132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1028454132 is about 32069.5202957575. The cubic root of 1028454132 is about 1009.3961465752.

The spelling of 1028454132 in words is "one billion, twenty-eight million, four hundred fifty-four thousand, one hundred thirty-two".