1023121330 has 32 divisors (see below), whose sum is σ = 2296045440. Its totient is φ = 318894720.

The previous prime is 1023121313. The next prime is 1023121409. The reversal of 1023121330 is 331213201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663595 + ... + 665134.

It is an arithmetic number, because the mean of its divisors is an integer number (71751420).

Almost surely, 2^1023121330 is an apocalyptic number.

1023121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023121330 is an abundant number, since it is smaller than the sum of its proper divisors (1272924110).

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

1023121330 is a wasteful number, since it uses less digits than its factorization.

1023121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328754.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1023121330 is about 31986.2678348069. The cubic root of 1023121330 is about 1007.6484618884.

Adding to 1023121330 its reverse (331213201), we get a palindrome (1354334531).

The spelling of 1023121330 in words is "one billion, twenty-three million, one hundred twenty-one thousand, three hundred thirty".