1258401 has 4 divisors (see below), whose sum is σ = 1677872. Its totient is φ = 838932.

The previous prime is 1258373. The next prime is 1258403. The reversal of 1258401 is 1048521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1048521 = 3 ⋅349507.

It is not a de Polignac number, because 1258401 - 2⁶ = 1258337 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1258403) 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, 209731 + ... + 209736.

It is an arithmetic number, because the mean of its divisors is an integer number (419468).

2^1258401 is an apocalyptic number.

It is an amenable number.

1258401 is a deficient number, since it is larger than the sum of its proper divisors (419471).

1258401 is an equidigital number, since it uses as much as digits as its factorization.

1258401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419470.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1258401 is about 1121.7847387088. The cubic root of 1258401 is about 107.9625212890.

The spelling of 1258401 in words is "one million, two hundred fifty-eight thousand, four hundred one".