1021230324 has 72 divisors (see below), whose sum is σ = 2745707328. Its totient is φ = 318931200.

The previous prime is 1021230323. The next prime is 1021230347. The reversal of 1021230324 is 4230321201.

It is a super-2 number, since 2×1021230324² = 2085822749314289952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1021230297 and 1021230306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021230323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135249 + ... + 142599.

It is an arithmetic number, because the mean of its divisors is an integer number (38134824).

Almost surely, 2^1021230324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021230324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372853664).

1021230324 is an abundant number, since it is smaller than the sum of its proper divisors (1724477004).

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

1021230324 is a wasteful number, since it uses less digits than its factorization.

1021230324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605 (or 7600 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1021230324 is about 31956.6945099145. The cubic root of 1021230324 is about 1007.0272763783.

Adding to 1021230324 its reverse (4230321201), we get a palindrome (5251551525).

The spelling of 1021230324 in words is "one billion, twenty-one million, two hundred thirty thousand, three hundred twenty-four".