102136121427 has 8 divisors (see below), whose sum is σ = 137529827280. Its totient is φ = 67416581600.

The previous prime is 102136121401. The next prime is 102136121453. The reversal of 102136121427 is 724121631201.

It is an interprime number because it is at equal distance from previous prime (102136121401) and next prime (102136121453).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102136121427 - 2¹⁹ = 102135597139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102136121394 and 102136121403.

It is not an unprimeable number, because it can be changed into a prime (102136121027) 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 7 ways as a sum of consecutive naturals, for example, 168541152 + ... + 168541757.

It is an arithmetic number, because the mean of its divisors is an integer number (17191228410).

Almost surely, 2^102136121427 is an apocalyptic number.

102136121427 is a deficient number, since it is larger than the sum of its proper divisors (35393705853).

102136121427 is a wasteful number, since it uses less digits than its factorization.

102136121427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337083013.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 102136121427 its reverse (724121631201), we get a palindrome (826257752628).

The spelling of 102136121427 in words is "one hundred two billion, one hundred thirty-six million, one hundred twenty-one thousand, four hundred twenty-seven".