1020323125 has 20 divisors (see below), whose sum is σ = 1330449120. Its totient is φ = 780758000.

The previous prime is 1020323093. The next prime is 1020323131. The reversal of 1020323125 is 5213230201.

It is not a de Polignac number, because 1020323125 - 2⁵ = 1020323093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21115 + ... + 49864.

It is an arithmetic number, because the mean of its divisors is an integer number (66522456).

Almost surely, 2^1020323125 is an apocalyptic number.

It is an amenable number.

1020323125 is a deficient number, since it is larger than the sum of its proper divisors (310125995).

1020323125 is an frugal number, since it uses more digits than its factorization.

1020323125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71022 (or 71007 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1020323125 is about 31942.4971628707. The cubic root of 1020323125 is about 1006.7289940772.

Adding to 1020323125 its reverse (5213230201), we get a palindrome (6233553326).

The spelling of 1020323125 in words is "one billion, twenty million, three hundred twenty-three thousand, one hundred twenty-five".