1138454 has 8 divisors (see below), whose sum is σ = 1782000. Its totient is φ = 544456.

The previous prime is 1138451. The next prime is 1138457. The reversal of 1138454 is 4548311.

It is an interprime number because it is at equal distance from previous prime (1138451) and next prime (1138457).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138451) 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 3 ways as a sum of consecutive naturals, for example, 12329 + ... + 12420.

It is an arithmetic number, because the mean of its divisors is an integer number (222750).

2^1138454 is an apocalyptic number.

1138454 is a deficient number, since it is larger than the sum of its proper divisors (643546).

1138454 is a wasteful number, since it uses less digits than its factorization.

1138454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24774.

The product of its digits is 1920, while the sum is 26.

The square root of 1138454 is about 1066.9835987493. The cubic root of 1138454 is about 104.4171485265.

The spelling of 1138454 in words is "one million, one hundred thirty-eight thousand, four hundred fifty-four".