1357123 has 8 divisors (see below), whose sum is σ = 1427888. Its totient is φ = 1288224.

The previous prime is 1357091. The next prime is 1357129. The reversal of 1357123 is 3217531.

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 1357123 - 2⁵ = 1357091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1357094 and 1357103.

It is not an unprimeable number, because it can be changed into a prime (1357129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 2017.

It is an arithmetic number, because the mean of its divisors is an integer number (178486).

2^1357123 is an apocalyptic number.

1357123 is a deficient number, since it is larger than the sum of its proper divisors (70765).

1357123 is an equidigital number, since it uses as much as digits as its factorization.

1357123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933.

The product of its digits is 630, while the sum is 22.

The square root of 1357123 is about 1164.9562223534. The cubic root of 1357123 is about 110.7149845058.

The spelling of 1357123 in words is "one million, three hundred fifty-seven thousand, one hundred twenty-three".