103142647 has 8 divisors (see below), whose sum is σ = 106835040. Its totient is φ = 99459360.

The previous prime is 103142573. The next prime is 103142653. The reversal of 103142647 is 746241301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103142647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103142687) 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, 27622 + ... + 31132.

It is an arithmetic number, because the mean of its divisors is an integer number (13354380).

Almost surely, 2^103142647 is an apocalyptic number.

103142647 is a deficient number, since it is larger than the sum of its proper divisors (3692393).

103142647 is a wasteful number, since it uses less digits than its factorization.

103142647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 103142647 is about 10155.9168468435. The cubic root of 103142647 is about 468.9711112815.

Adding to 103142647 its reverse (746241301), we get a palindrome (849383948).

The spelling of 103142647 in words is "one hundred three million, one hundred forty-two thousand, six hundred forty-seven".