1023500 has 48 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 387200.

The previous prime is 1023499. The next prime is 1023521. The reversal of 1023500 is 53201.

It is a zygodrome in base 2.

It is an unprimeable number.

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, 11456 + ... + 11544.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2^1023500 is an apocalyptic number.

1023500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179360).

1023500 is an abundant number, since it is smaller than the sum of its proper divisors (1335220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023500 is a wasteful number, since it uses less digits than its factorization.

1023500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 1023500 is about 1011.6817681465. The cubic root of 1023500 is about 100.7772760987. Note that the first 3 decimals are identical.

Adding to 1023500 its reverse (53201), we get a palindrome (1076701).

Subtracting from 1023500 its reverse (53201), we obtain a cube (970299 = 99³).

The spelling of 1023500 in words is "one million, twenty-three thousand, five hundred".