1357105 has 8 divisors (see below), whose sum is σ = 1636200. Its totient is φ = 1080576.

The previous prime is 1357091. The next prime is 1357129. The reversal of 1357105 is 5017531.

It can be written as a sum of positive squares in 4 ways, for example, as 2209 + 1354896 = 47^2 + 1164^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1357105 - 2¹³ = 1348913 is a prime.

1357105 is a lucky number.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (204525).

2^1357105 is an apocalyptic number.

It is an amenable number.

1357105 is a deficient number, since it is larger than the sum of its proper divisors (279095).

1357105 is a wasteful number, since it uses less digits than its factorization.

1357105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 1357105 is about 1164.9484967156. The cubic root of 1357105 is about 110.7144950197.

The spelling of 1357105 in words is "one million, three hundred fifty-seven thousand, one hundred five".