1375147 has 8 divisors (see below), whose sum is σ = 1519776. Its totient is φ = 1237632.

The previous prime is 1375141. The next prime is 1375159. The reversal of 1375147 is 7415731.

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

It is a cyclic number.

It is not a de Polignac number, because 1375147 - 2⁷ = 1375019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375141) 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, 1368 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (189972).

2^1375147 is an apocalyptic number.

1375147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1375147 is a deficient number, since it is larger than the sum of its proper divisors (144629).

1375147 is a wasteful number, since it uses less digits than its factorization.

1375147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557.

The product of its digits is 2940, while the sum is 28.

The square root of 1375147 is about 1172.6666192913. Note that the first 4 decimals coincide. The cubic root of 1375147 is about 111.2029671154.

The spelling of 1375147 in words is "one million, three hundred seventy-five thousand, one hundred forty-seven".