1427497 has 8 divisors (see below), whose sum is σ = 1503432. Its totient is φ = 1353600.

The previous prime is 1427483. The next prime is 1427501. The reversal of 1427497 is 7947241.

It can be written as a sum of positive squares in 4 ways, for example, as 215296 + 1212201 = 464^2 + 1101^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427407) 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, 1047 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (187929).

2^1427497 is an apocalyptic number.

It is an amenable number.

1427497 is a deficient number, since it is larger than the sum of its proper divisors (75935).

1427497 is an equidigital number, since it uses as much as digits as its factorization.

1427497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019.

The product of its digits is 14112, while the sum is 34.

The square root of 1427497 is about 1194.7790590733. The cubic root of 1427497 is about 112.5965459285.

The spelling of 1427497 in words is "one million, four hundred twenty-seven thousand, four hundred ninety-seven".