1385157 has 12 divisors (see below), whose sum is σ = 1950720. Its totient is φ = 874152.

The previous prime is 1385149. The next prime is 1385171. The reversal of 1385157 is 7515831.

It is not a de Polignac number, because 1385157 - 2³ = 1385149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (162560).

2^1385157 is an apocalyptic number.

It is an amenable number.

1385157 is a deficient number, since it is larger than the sum of its proper divisors (565563).

1385157 is a wasteful number, since it uses less digits than its factorization.

1385157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1301 counting only the distinct ones).

The product of its digits is 4200, while the sum is 30.

The square root of 1385157 is about 1176.9269306121. The cubic root of 1385157 is about 111.4721387350.

The spelling of 1385157 in words is "one million, three hundred eighty-five thousand, one hundred fifty-seven".