1008147 has 16 divisors (see below), whose sum is σ = 1563392. Its totient is φ = 565920.

The previous prime is 1008131. The next prime is 1008157. The reversal of 1008147 is 7418001.

1008147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1008147 - 2⁴ = 1008131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1008157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (97712).

2^1008147 is an apocalyptic number.

1008147 is a deficient number, since it is larger than the sum of its proper divisors (555245).

1008147 is an equidigital number, since it uses as much as digits as its factorization.

1008147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1008147 is about 1004.0652369244. The cubic root of 1008147 is about 100.2708325020.

The spelling of 1008147 in words is "one million, eight thousand, one hundred forty-seven".