1428097 has 8 divisors (see below), whose sum is σ = 1640160. Its totient is φ = 1229760.

The previous prime is 1428079. The next prime is 1428109. The reversal of 1428097 is 7908241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1428097 - 2⁷ = 1427969 is a prime.

It is a super-2 number, since 2×1428097² = 4078922082818, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1428197) 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, 3208 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (205020).

2^1428097 is an apocalyptic number.

It is an amenable number.

1428097 is a deficient number, since it is larger than the sum of its proper divisors (212063).

1428097 is a wasteful number, since it uses less digits than its factorization.

1428097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1428097 is about 1195.0301251433. The cubic root of 1428097 is about 112.6123190999.

The spelling of 1428097 in words is "one million, four hundred twenty-eight thousand, ninety-seven".