1957135 has 8 divisors (see below), whose sum is σ = 2406096. Its totient is φ = 1527360.

The previous prime is 1957129. The next prime is 1957147. The reversal of 1957135 is 5317591.

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

It is not a de Polignac number, because 1957135 - 2¹⁷ = 1826063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1957097 and 1957106.

It is a congruent number.

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, 4569 + ... + 4978.

It is an arithmetic number, because the mean of its divisors is an integer number (300762).

2^1957135 is an apocalyptic number.

1957135 is a deficient number, since it is larger than the sum of its proper divisors (448961).

1957135 is an equidigital number, since it uses as much as digits as its factorization.

1957135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9593.

The product of its digits is 4725, while the sum is 31.

The square root of 1957135 is about 1398.9764115238. The cubic root of 1957135 is about 125.0854881875.

The spelling of 1957135 in words is "one million, nine hundred fifty-seven thousand, one hundred thirty-five".