1021424230 has 48 divisors (see below), whose sum is σ = 1947726864. Its totient is φ = 385611840.

The previous prime is 1021424213. The next prime is 1021424231. The reversal of 1021424230 is 324241201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1021424198 and 1021424207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021424231) 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, 1887760 + ... + 1888300.

It is an arithmetic number, because the mean of its divisors is an integer number (40577643).

Almost surely, 2^1021424230 is an apocalyptic number.

1021424230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021424230 is a deficient number, since it is larger than the sum of its proper divisors (926302634).

1021424230 is a wasteful number, since it uses less digits than its factorization.

1021424230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1021424230 is about 31959.7282529123. The cubic root of 1021424230 is about 1007.0910087440.

Adding to 1021424230 its reverse (324241201), we get a palindrome (1345665431).

The spelling of 1021424230 in words is "one billion, twenty-one million, four hundred twenty-four thousand, two hundred thirty".