102123004 has 12 divisors (see below), whose sum is σ = 178831800. Its totient is φ = 51028208.

The previous prime is 102123001. The next prime is 102123011. The reversal of 102123004 is 400321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (14902650).

Almost surely, 2^102123004 is an apocalyptic number.

It is an amenable number.

102123004 is a deficient number, since it is larger than the sum of its proper divisors (76708796).

102123004 is a wasteful number, since it uses less digits than its factorization.

102123004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16652 (or 16650 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102123004 is about 10105.5927089904. The cubic root of 102123004 is about 467.4206127888.

Adding to 102123004 its reverse (400321201), we get a palindrome (502444205).

It can be divided in two parts, 1021 and 23004, that added together give a square (24025 = 155²).

The spelling of 102123004 in words is "one hundred two million, one hundred twenty-three thousand, four".