102120504 has 64 divisors (see below), whose sum is σ = 266112000. Its totient is φ = 32628480.

The previous prime is 102120467. The next prime is 102120509. The reversal of 102120504 is 405021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57177 + ... + 58935.

It is an arithmetic number, because the mean of its divisors is an integer number (4158000).

Almost surely, 2^102120504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102120504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133056000).

102120504 is an abundant number, since it is smaller than the sum of its proper divisors (163991496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102120504 is a wasteful number, since it uses less digits than its factorization.

102120504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 102120504 is about 10105.4690143506. The cubic root of 102120504 is about 467.4167985615.

Adding to 102120504 its reverse (405021201), we get a palindrome (507141705).

The spelling of 102120504 in words is "one hundred two million, one hundred twenty thousand, five hundred four".