1457003 has 4 divisors (see below), whose sum is σ = 1470480. Its totient is φ = 1443528.

The previous prime is 1456963. The next prime is 1457011. The reversal of 1457003 is 3007541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1457003 - 2¹² = 1452907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457033) 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, 6575 + ... + 6792.

It is an arithmetic number, because the mean of its divisors is an integer number (367620).

2^1457003 is an apocalyptic number.

1457003 is a deficient number, since it is larger than the sum of its proper divisors (13477).

1457003 is a wasteful number, since it uses less digits than its factorization.

1457003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1457003 is about 1207.0637928461. The cubic root of 1457003 is about 113.3670420684.

The spelling of 1457003 in words is "one million, four hundred fifty-seven thousand, three".