1387148 has 24 divisors (see below), whose sum is σ = 2806272. Its totient is φ = 587664.

The previous prime is 1387147. The next prime is 1387151. The reversal of 1387148 is 8417831.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1387147) 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, 2765 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (116928).

2^1387148 is an apocalyptic number.

It is an amenable number.

1387148 is an abundant number, since it is smaller than the sum of its proper divisors (1419124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1387148 is a wasteful number, since it uses less digits than its factorization.

1387148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 579 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 1387148 is about 1177.7724737826. The cubic root of 1387148 is about 111.5255225211.

The spelling of 1387148 in words is "one million, three hundred eighty-seven thousand, one hundred forty-eight".