1023057 has 16 divisors (see below), whose sum is σ = 1732480. Its totient is φ = 584496.

The previous prime is 1023047. The next prime is 1023067. The reversal of 1023057 is 7503201.

It is an interprime number because it is at equal distance from previous prime (1023047) and next prime (1023067).

It is not a de Polignac number, because 1023057 - 2⁴ = 1023041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2518 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (108280).

2^1023057 is an apocalyptic number.

It is an amenable number.

1023057 is a deficient number, since it is larger than the sum of its proper divisors (709423).

1023057 is an equidigital number, since it uses as much as digits as its factorization.

1023057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429 (or 5423 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 1023057 is about 1011.4628020842. The cubic root of 1023057 is about 100.7627342404.

Adding to 1023057 its reverse (7503201), we get a palindrome (8526258).

The spelling of 1023057 in words is "one million, twenty-three thousand, fifty-seven".