1241858 has 4 divisors (see below), whose sum is σ = 1862790. Its totient is φ = 620928.

The previous prime is 1241827. The next prime is 1241869. The reversal of 1241858 is 8581421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8581421 = 823 ⋅10427.

It can be written as a sum of positive squares in only one way, i.e., 1117249 + 124609 = 1057^2 + 353^2 .

It is a super-2 number, since 2×1241858² = 3084422584328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1241858.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310463 + ... + 310466.

2^1241858 is an apocalyptic number.

1241858 is a deficient number, since it is larger than the sum of its proper divisors (620932).

1241858 is an equidigital number, since it uses as much as digits as its factorization.

1241858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620931.

The product of its digits is 2560, while the sum is 29.

The square root of 1241858 is about 1114.3868269142. The cubic root of 1241858 is about 107.4873394140.

The spelling of 1241858 in words is "one million, two hundred forty-one thousand, eight hundred fifty-eight".