1048138 has 24 divisors (see below), whose sum is σ = 1950048. Its totient is φ = 413712.

The previous prime is 1048129. The next prime is 1048139. The reversal of 1048138 is 8318401.

1048138 is nontrivially palindromic in base 3.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1048139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2145 + ... + 2587.

It is an arithmetic number, because the mean of its divisors is an integer number (81252).

2^1048138 is an apocalyptic number.

1048138 is a deficient number, since it is larger than the sum of its proper divisors (901910).

1048138 is a wasteful number, since it uses less digits than its factorization.

1048138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1048138 is about 1023.7861104743. The cubic root of 1048138 is about 101.5795198143.

It can be divided in two parts, 10481 and 38, that multiplied together give a triangular number (398278 = T₈₉₂).

The spelling of 1048138 in words is "one million, forty-eight thousand, one hundred thirty-eight".