1023011 has 4 divisors (see below), whose sum is σ = 1116024. Its totient is φ = 930000.

The previous prime is 1022981. The next prime is 1023019. The reversal of 1023011 is 1103201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1103201 = 11 ⋅100291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023011 is a prime.

It is a super-2 number, since 2×1023011² = 2093103012242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023011.

It is not an unprimeable number, because it can be changed into a prime (1023019) 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 3 ways as a sum of consecutive naturals, for example, 46490 + ... + 46511.

It is an arithmetic number, because the mean of its divisors is an integer number (279006).

2^1023011 is an apocalyptic number.

1023011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1023011 is a deficient number, since it is larger than the sum of its proper divisors (93013).

1023011 is an equidigital number, since it uses as much as digits as its factorization.

1023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93012.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1023011 is about 1011.4400624852. The cubic root of 1023011 is about 100.7612240101.

Adding to 1023011 its reverse (1103201), we get a palindrome (2126212).

It can be divided in two parts, 102 and 3011, that added together give a palindrome (3113).

The spelling of 1023011 in words is "one million, twenty-three thousand, eleven".