1241357 has 16 divisors (see below), whose sum is σ = 1460592. Its totient is φ = 1044480.

The previous prime is 1241351. The next prime is 1241369. The reversal of 1241357 is 7531421.

It can be written as a sum of positive squares in 8 ways, for example, as 98596 + 1142761 = 314^2 + 1069^2 .

It is not a de Polignac number, because 1241357 - 2⁴ = 1241341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8993 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (91287).

2^1241357 is an apocalyptic number.

1241357 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1241357 is a deficient number, since it is larger than the sum of its proper divisors (219235).

1241357 is a wasteful number, since it uses less digits than its factorization.

1241357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208.

The product of its digits is 840, while the sum is 23.

The square root of 1241357 is about 1114.1620169437. The cubic root of 1241357 is about 107.4728830107.

Adding to 1241357 its reverse (7531421), we get a palindrome (8772778).

Subtracting 1241357 from its reverse (7531421), we obtain a square (6290064 = 2508²).

The spelling of 1241357 in words is "one million, two hundred forty-one thousand, three hundred fifty-seven".