1081023 has 8 divisors (see below), whose sum is σ = 1504128. Its totient is φ = 689304.

The previous prime is 1080983. The next prime is 1081027. The reversal of 1081023 is 3201801.

It is a happy number.

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

It is not a de Polignac number, because 1081023 - 2⁸ = 1080767 is a prime.

It is a super-2 number, since 2×1081023² = 2337221453058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1080993 and 1081011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081027) 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, 7765 + ... + 7902.

It is an arithmetic number, because the mean of its divisors is an integer number (188016).

2^1081023 is an apocalyptic number.

1081023 is a deficient number, since it is larger than the sum of its proper divisors (423105).

1081023 is a wasteful number, since it uses less digits than its factorization.

1081023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15693.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1081023 is about 1039.7225591474. The cubic root of 1081023 is about 102.6309411220.

Adding to 1081023 its reverse (3201801), we get a palindrome (4282824).

The spelling of 1081023 in words is "one million, eighty-one thousand, twenty-three".