102147004 has 6 divisors (see below), whose sum is σ = 178757264. Its totient is φ = 51073500.

The previous prime is 102146981. The next prime is 102147007. The reversal of 102147004 is 400741201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102147007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12768372 + ... + 12768379.

Almost surely, 2^102147004 is an apocalyptic number.

It is an amenable number.

102147004 is a deficient number, since it is larger than the sum of its proper divisors (76610260).

102147004 is a wasteful number, since it uses less digits than its factorization.

102147004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25536755 (or 25536753 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 102147004 is about 10106.7801005068. The cubic root of 102147004 is about 467.4572262046.

Adding to 102147004 its reverse (400741201), we get a palindrome (502888205).

The spelling of 102147004 in words is "one hundred two million, one hundred forty-seven thousand, four".