102403621125 has 96 divisors (see below), whose sum is σ = 200138047200. Its totient is φ = 50074675200.

The previous prime is 102403621109. The next prime is 102403621147. The reversal of 102403621125 is 521126304201.

102403621125 is a `hidden beast` number, since 1 + 0 + 24 + 0 + 3 + 621 + 12 + 5 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 100624721796 + 1778899329 = 317214^2 + 42177^2 .

It is not a de Polignac number, because 102403621125 - 2⁴ = 102403621109 is a prime.

It is a super-3 number, since 3×102403621125³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2155629 + ... + 2202621.

It is an arithmetic number, because the mean of its divisors is an integer number (2084771325).

Almost surely, 2^102403621125 is an apocalyptic number.

102403621125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102403621125 is a deficient number, since it is larger than the sum of its proper divisors (97734426075).

102403621125 is a wasteful number, since it uses less digits than its factorization.

102403621125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47176 (or 47163 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 102403621125 its reverse (521126304201), we get a palindrome (623529925326).

The spelling of 102403621125 in words is "one hundred two billion, four hundred three million, six hundred twenty-one thousand, one hundred twenty-five".