102147867 has 6 divisors (see below), whose sum is σ = 147546932. Its totient is φ = 68098572.

The previous prime is 102147847. The next prime is 102147901. The reversal of 102147867 is 768741201.

It is not a de Polignac number, because 102147867 - 2⁷ = 102147739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102147817) 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, 5674873 + ... + 5674890.

Almost surely, 2^102147867 is an apocalyptic number.

102147867 is a deficient number, since it is larger than the sum of its proper divisors (45399065).

102147867 is a wasteful number, since it uses less digits than its factorization.

102147867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349769 (or 11349766 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 102147867 is about 10106.8227945285. The cubic root of 102147867 is about 467.4585426552.

It can be divided in two parts, 10214 and 7867, that added together give a palindrome (18081).

The spelling of 102147867 in words is "one hundred two million, one hundred forty-seven thousand, eight hundred sixty-seven".