1238401 has 4 divisors (see below), whose sum is σ = 1303600. Its totient is φ = 1173204.

The previous prime is 1238383. The next prime is 1238407. The reversal of 1238401 is 1048321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1238401 - 2⁷ = 1238273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 65179 = 1238401 / (1 + 2 + 3 + 8 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32571 + ... + 32608.

It is an arithmetic number, because the mean of its divisors is an integer number (325900).

2^1238401 is an apocalyptic number.

It is an amenable number.

1238401 is a deficient number, since it is larger than the sum of its proper divisors (65199).

1238401 is an equidigital number, since it uses as much as digits as its factorization.

1238401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65198.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1238401 is about 1112.8346687626. The cubic root of 1238401 is about 107.3875080690.

The spelling of 1238401 in words is "one million, two hundred thirty-eight thousand, four hundred one".