1138501 has 8 divisors (see below), whose sum is σ = 1401344. Its totient is φ = 900720.

The previous prime is 1138483. The next prime is 1138519. The reversal of 1138501 is 1058311.

It is an interprime number because it is at equal distance from previous prime (1138483) and next prime (1138519).

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

It is a cyclic number.

It is not a de Polignac number, because 1138501 - 2¹⁷ = 1007429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138591) 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, 6165 + ... + 6346.

It is an arithmetic number, because the mean of its divisors is an integer number (175168).

2^1138501 is an apocalyptic number.

It is an amenable number.

1138501 is a deficient number, since it is larger than the sum of its proper divisors (262843).

1138501 is a wasteful number, since it uses less digits than its factorization.

1138501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1138501 is about 1067.0056232279. The cubic root of 1138501 is about 104.4185854279.

The spelling of 1138501 in words is "one million, one hundred thirty-eight thousand, five hundred one".