102010500 has 72 divisors (see below), whose sum is σ = 321823320. Its totient is φ = 27201600.

The previous prime is 102010477. The next prime is 102010507. The reversal of 102010500 is 5010201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 887364 + 101123136 = 942^2 + 10056^2 .

It is a super-2 number, since 2×102010500² = 20812284220500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (102010507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6835 + ... + 15834.

Almost surely, 2^102010500 is an apocalyptic number.

102010500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010500 is an abundant number, since it is smaller than the sum of its proper divisors (219812820).

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

102010500 is a wasteful number, since it uses less digits than its factorization.

102010500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22694 (or 22679 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 102010500 is about 10100.0247524449. The cubic root of 102010500 is about 467.2489047860.

Adding to 102010500 its reverse (5010201), we get a palindrome (107020701).

The spelling of 102010500 in words is "one hundred two million, ten thousand, five hundred".