1248147 has 6 divisors (see below), whose sum is σ = 1802892. Its totient is φ = 832092.

The previous prime is 1248119. The next prime is 1248151. The reversal of 1248147 is 7418421.

It is not a de Polignac number, because 1248147 - 2⁶ = 1248083 is a prime.

It is a super-3 number, since 3×1248147³ = 5833355796513817569, which contains 333 as substring.

It is a d-powerful number, because it can be written as 1 + 2¹⁵ + 4⁷ + 8⁵ + 1 + 4¹⁰ + 7⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 1248147.

It is not an unprimeable number, because it can be changed into a prime (1248347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69333 + ... + 69350.

It is an arithmetic number, because the mean of its divisors is an integer number (300482).

2^1248147 is an apocalyptic number.

1248147 is a deficient number, since it is larger than the sum of its proper divisors (554745).

1248147 is a wasteful number, since it uses less digits than its factorization.

1248147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138689 (or 138686 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1248147 is about 1117.2049946183. The cubic root of 1248147 is about 107.6684792780.

The spelling of 1248147 in words is "one million, two hundred forty-eight thousand, one hundred forty-seven".