1431028 has 12 divisors (see below), whose sum is σ = 2513952. Its totient is φ = 712760.

The previous prime is 1431013. The next prime is 1431029. The reversal of 1431028 is 8201341.

It is a super-2 number, since 2×1431028² = 4095682273568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1430996 and 1431014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873 + ... + 1903.

It is an arithmetic number, because the mean of its divisors is an integer number (209496).

2^1431028 is an apocalyptic number.

It is an amenable number.

1431028 is a deficient number, since it is larger than the sum of its proper divisors (1082924).

1431028 is a wasteful number, since it uses less digits than its factorization.

1431028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1431028 is about 1196.2558254822. The cubic root of 1431028 is about 112.6893076044.

Adding to 1431028 its reverse (8201341), we get a palindrome (9632369).

The spelling of 1431028 in words is "one million, four hundred thirty-one thousand, twenty-eight".