1241425205 has 4 divisors (see below), whose sum is σ = 1489710252. Its totient is φ = 993140160.

The previous prime is 1241425189. The next prime is 1241425261. The reversal of 1241425205 is 5025241421.

1241425205 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5025241421 = 1877 ⋅2677273.

It can be written as a sum of positive squares in 2 ways, for example, as 931348324 + 310076881 = 30518^2 + 17609^2 .

It is not a de Polignac number, because 1241425205 - 2⁴ = 1241425189 is a prime.

It is a super-2 number, since 2×1241425205² = 3082273079218584050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124142516 + ... + 124142525.

It is an arithmetic number, because the mean of its divisors is an integer number (372427563).

Almost surely, 2^1241425205 is an apocalyptic number.

It is an amenable number.

1241425205 is a deficient number, since it is larger than the sum of its proper divisors (248285047).

1241425205 is an equidigital number, since it uses as much as digits as its factorization.

1241425205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248285046.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1241425205 is about 35233.8644630418. The cubic root of 1241425205 is about 1074.7485130120.

Adding to 1241425205 its reverse (5025241421), we get a palindrome (6266666626).

The spelling of 1241425205 in words is "one billion, two hundred forty-one million, four hundred twenty-five thousand, two hundred five".