1012143404 has 6 divisors (see below), whose sum is σ = 1771250964. Its totient is φ = 506071700.

The previous prime is 1012143403. The next prime is 1012143427. The reversal of 1012143404 is 4043412101.

It is not an unprimeable number, because it can be changed into a prime (1012143401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126517922 + ... + 126517929.

It is an arithmetic number, because the mean of its divisors is an integer number (295208494).

Almost surely, 2^1012143404 is an apocalyptic number.

It is an amenable number.

1012143404 is a deficient number, since it is larger than the sum of its proper divisors (759107560).

1012143404 is a wasteful number, since it uses less digits than its factorization.

1012143404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253035855 (or 253035853 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1012143404 is about 31814.2012943905. The cubic root of 1012143404 is about 1004.0315262874.

Adding to 1012143404 its reverse (4043412101), we get a palindrome (5055555505).

The spelling of 1012143404 in words is "one billion, twelve million, one hundred forty-three thousand, four hundred four".