1021244430 has 32 divisors (see below), whose sum is σ = 2451880224. Its totient is φ = 272232576.

The previous prime is 1021244407. The next prime is 1021244467. The reversal of 1021244430 is 344421201.

It is a junction number, because it is equal to n+sod(n) for n = 1021244397 and 1021244406.

It is a congruent number.

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, 118632 + ... + 126948.

It is an arithmetic number, because the mean of its divisors is an integer number (76621257).

Almost surely, 2^1021244430 is an apocalyptic number.

1021244430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021244430 is an abundant number, since it is smaller than the sum of its proper divisors (1430635794).

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

1021244430 is a wasteful number, since it uses less digits than its factorization.

1021244430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1021244430 is about 31956.9152140816. The cubic root of 1021244430 is about 1007.0319129625.

Adding to 1021244430 its reverse (344421201), we get a palindrome (1365665631).

The spelling of 1021244430 in words is "one billion, twenty-one million, two hundred forty-four thousand, four hundred thirty".