102003117750 has 80 divisors (see below), whose sum is σ = 285246108576. Its totient is φ = 27200826000.

The previous prime is 102003117721. The next prime is 102003117751. The reversal of 102003117750 is 57711300201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003117751) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2498346 + ... + 2538845.

Almost surely, 2^102003117750 is an apocalyptic number.

102003117750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102003117750 is an abundant number, since it is smaller than the sum of its proper divisors (183242990826).

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

102003117750 is an equidigital number, since it uses as much as digits as its factorization.

102003117750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037220 (or 5037201 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

Adding to 102003117750 its reverse (57711300201), we get a palindrome (159714417951).

The spelling of 102003117750 in words is "one hundred two billion, three million, one hundred seventeen thousand, seven hundred fifty".