1012184428 has 12 divisors (see below), whose sum is σ = 1788861312. Its totient is φ = 501081200.

The previous prime is 1012184423. The next prime is 1012184443. The reversal of 1012184428 is 8244812101.

It is a self number, because there is not a number n which added to its sum of digits gives 1012184428.

It is not an unprimeable number, because it can be changed into a prime (1012184423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252300 + ... + 1253107.

It is an arithmetic number, because the mean of its divisors is an integer number (149071776).

Almost surely, 2^1012184428 is an apocalyptic number.

It is an amenable number.

1012184428 is a deficient number, since it is larger than the sum of its proper divisors (776676884).

1012184428 is a wasteful number, since it uses less digits than its factorization.

1012184428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505512 (or 2505510 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 1012184428 is about 31814.8460313735. The cubic root of 1012184428 is about 1004.0450911744.

Adding to 1012184428 its reverse (8244812101), we get a palindrome (9256996529).

It can be divided in two parts, 10121 and 84428, that added together give a palindrome (94549).

The spelling of 1012184428 in words is "one billion, twelve million, one hundred eighty-four thousand, four hundred twenty-eight".