1138292 has 6 divisors (see below), whose sum is σ = 1992018. Its totient is φ = 569144.

The previous prime is 1138273. The next prime is 1138363. The reversal of 1138292 is 2928311.

It can be written as a sum of positive squares in only one way, i.e., 1136356 + 1936 = 1066^2 + 44^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142283 + ... + 142290.

It is an arithmetic number, because the mean of its divisors is an integer number (332003).

2^1138292 is an apocalyptic number.

It is an amenable number.

1138292 is a deficient number, since it is larger than the sum of its proper divisors (853726).

1138292 is a wasteful number, since it uses less digits than its factorization.

1138292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284577 (or 284575 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 1138292 is about 1066.9076811046. The cubic root of 1138292 is about 104.4121954994.

The spelling of 1138292 in words is "one million, one hundred thirty-eight thousand, two hundred ninety-two".