1023530 has 16 divisors (see below), whose sum is σ = 1939680. Its totient is φ = 387792.

The previous prime is 1023521. The next prime is 1023541. The reversal of 1023530 is 353201.

It is a super-2 number, since 2×1023530² = 2095227321800, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (121230).

2^1023530 is an apocalyptic number.

1023530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023530 is a deficient number, since it is larger than the sum of its proper divisors (916150).

1023530 is a wasteful number, since it uses less digits than its factorization.

1023530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 1023530 is about 1011.6965948346. The cubic root of 1023530 is about 100.7782607230.

Adding to 1023530 its reverse (353201), we get a palindrome (1376731).

The spelling of 1023530 in words is "one million, twenty-three thousand, five hundred thirty".