102103402635 has 80 divisors (see below), whose sum is σ = 200828605824. Its totient is φ = 49317735168.

The previous prime is 102103402633. The next prime is 102103402663. The reversal of 102103402635 is 536204301201.

102103402635 is a `hidden beast` number, since 1 + 0 + 21 + 0 + 3 + 4 + 0 + 2 + 635 = 666.

It is not a de Polignac number, because 102103402635 - 2¹ = 102103402633 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 102103402599 and 102103402608.

It is not an unprimeable number, because it can be changed into a prime (102103402631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 96094 + ... + 461996.

Almost surely, 2^102103402635 is an apocalyptic number.

102103402635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102103402635 is a deficient number, since it is larger than the sum of its proper divisors (98725203189).

102103402635 is a wasteful number, since it uses less digits than its factorization.

102103402635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365986 (or 365977 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 102103402635 its reverse (536204301201), we get a palindrome (638307703836).

The spelling of 102103402635 in words is "one hundred two billion, one hundred three million, four hundred two thousand, six hundred thirty-five".