1391150 has 12 divisors (see below), whose sum is σ = 2587632. Its totient is φ = 556440.

The previous prime is 1391129. The next prime is 1391183. The reversal of 1391150 is 511931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13862 + ... + 13961.

It is an arithmetic number, because the mean of its divisors is an integer number (215636).

2^1391150 is an apocalyptic number.

1391150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1391150 is a deficient number, since it is larger than the sum of its proper divisors (1196482).

1391150 is a wasteful number, since it uses less digits than its factorization.

1391150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27835 (or 27830 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1391150 is about 1179.4702200564. The cubic root of 1391150 is about 111.6326720114.

The spelling of 1391150 in words is "one million, three hundred ninety-one thousand, one hundred fifty".