1138577 has 8 divisors (see below), whose sum is σ = 1257120. Its totient is φ = 1022560.

The previous prime is 1138567. The next prime is 1138589. The reversal of 1138577 is 7758311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1138577 - 2¹⁰ = 1137553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138547) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 398 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (157140).

2^1138577 is an apocalyptic number.

It is an amenable number.

1138577 is a deficient number, since it is larger than the sum of its proper divisors (118543).

1138577 is a wasteful number, since it uses less digits than its factorization.

1138577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263.

The product of its digits is 5880, while the sum is 32.

The square root of 1138577 is about 1067.0412363166. The cubic root of 1138577 is about 104.4209088444.

The spelling of 1138577 in words is "one million, one hundred thirty-eight thousand, five hundred seventy-seven".