6111147 has 8 divisors (see below), whose sum is σ = 9312256. Its totient is φ = 3492072.

The previous prime is 6111139. The next prime is 6111151. The reversal of 6111147 is 7411116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6111147 - 2³ = 6111139 is a prime.

It is a super-2 number, since 2×6111147² = 74692235311218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 291007 = 6111147 / (6 + 1 + 1 + 1 + 1 + 4 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6111167) 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, 145483 + ... + 145524.

It is an arithmetic number, because the mean of its divisors is an integer number (1164032).

Almost surely, 2^6111147 is an apocalyptic number.

6111147 is a deficient number, since it is larger than the sum of its proper divisors (3201109).

6111147 is a wasteful number, since it uses less digits than its factorization.

6111147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291017.

The product of its digits is 168, while the sum is 21.

The square root of 6111147 is about 2472.0734212397. The cubic root of 6111147 is about 182.8272429779.

The spelling of 6111147 in words is "six million, one hundred eleven thousand, one hundred forty-seven".