1428132 has 24 divisors (see below), whose sum is σ = 3388672. Its totient is φ = 468000.

The previous prime is 1428127. The next prime is 1428137. The reversal of 1428132 is 2318241.

It is an interprime number because it is at equal distance from previous prime (1428127) and next prime (1428137).

It is a super-2 number, since 2×1428132² = 4079122018848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1428099 and 1428108.

It is not an unprimeable number, because it can be changed into a prime (1428137) 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, 244 + ... + 1707.

2^1428132 is an apocalyptic number.

1428132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1428132 is an abundant number, since it is smaller than the sum of its proper divisors (1960540).

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

1428132 is a wasteful number, since it uses less digits than its factorization.

1428132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 2017 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1428132 is about 1195.0447690359. The cubic root of 1428132 is about 112.6132390652.

The spelling of 1428132 in words is "one million, four hundred twenty-eight thousand, one hundred thirty-two".