1012583438 has 32 divisors (see below), whose sum is σ = 1570428000. Its totient is φ = 489494016.

The previous prime is 1012583423. The next prime is 1012583521. The reversal of 1012583438 is 8343852101.

It is a happy number.

1012583438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1012583398 and 1012583407.

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, 1935845 + ... + 1936367.

It is an arithmetic number, because the mean of its divisors is an integer number (49075875).

Almost surely, 2^1012583438 is an apocalyptic number.

1012583438 is a deficient number, since it is larger than the sum of its proper divisors (557844562).

1012583438 is a wasteful number, since it uses less digits than its factorization.

1012583438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1012583438 is about 31821.1162280647. The cubic root of 1012583438 is about 1004.1770076478.

The spelling of 1012583438 in words is "one billion, twelve million, five hundred eighty-three thousand, four hundred thirty-eight".