1241357407 has 2 divisors, whose sum is σ = 1241357408. Its totient is φ = 1241357406.

The previous prime is 1241357399. The next prime is 1241357413. The reversal of 1241357407 is 7047531421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241357407 - 2³ = 1241357399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241357477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620678703 + 620678704.

It is an arithmetic number, because the mean of its divisors is an integer number (620678704).

Almost surely, 2^1241357407 is an apocalyptic number.

1241357407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241357407 is an equidigital number, since it uses as much as digits as its factorization.

1241357407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 1241357407 is about 35232.9023357429. The cubic root of 1241357407 is about 1074.7289475626.

Adding to 1241357407 its reverse (7047531421), we get a palindrome (8288888828).

It can be divided in two parts, 124 and 1357407, that added together give a palindrome (1357531).

The spelling of 1241357407 in words is "one billion, two hundred forty-one million, three hundred fifty-seven thousand, four hundred seven".