1012430320 has 40 divisors (see below), whose sum is σ = 2567893680. Its totient is φ = 368156160.

The previous prime is 1012430311. The next prime is 1012430323. The reversal of 1012430320 is 230342101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1012430294 and 1012430303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012430323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574365 + ... + 576124.

It is an arithmetic number, because the mean of its divisors is an integer number (64197342).

Almost surely, 2^1012430320 is an apocalyptic number.

1012430320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012430320 is an abundant number, since it is smaller than the sum of its proper divisors (1555463360).

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

1012430320 is a wasteful number, since it uses less digits than its factorization.

1012430320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150513 (or 1150507 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1012430320 is about 31818.7102189891. The cubic root of 1012430320 is about 1004.1263894896.

Adding to 1012430320 its reverse (230342101), we get a palindrome (1242772421).

The spelling of 1012430320 in words is "one billion, twelve million, four hundred thirty thousand, three hundred twenty".