1238001 has 4 divisors (see below), whose sum is σ = 1650672. Its totient is φ = 825332.

The previous prime is 1237993. The next prime is 1238023. The reversal of 1238001 is 1008321.

It is a happy number.

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 1238001 - 2³ = 1237993 is a prime.

It is a D-number.

1238001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1238051) 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, 206331 + ... + 206336.

It is an arithmetic number, because the mean of its divisors is an integer number (412668).

2^1238001 is an apocalyptic number.

It is an amenable number.

1238001 is a deficient number, since it is larger than the sum of its proper divisors (412671).

1238001 is an equidigital number, since it uses as much as digits as its factorization.

1238001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412670.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1238001 is about 1112.6549330318. The cubic root of 1238001 is about 107.3759448708.

The spelling of 1238001 in words is "one million, two hundred thirty-eight thousand, one".