102134021243 has 8 divisors (see below), whose sum is σ = 102913873920. Its totient is φ = 101357063080.

The previous prime is 102134021177. The next prime is 102134021263. The reversal of 102134021243 is 342120431201.

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 102134021243 - 2¹⁴ = 102134004859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102134021263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652763 + ... + 793956.

It is an arithmetic number, because the mean of its divisors is an integer number (12864234240).

Almost surely, 2^102134021243 is an apocalyptic number.

102134021243 is a deficient number, since it is larger than the sum of its proper divisors (779852677).

102134021243 is a wasteful number, since it uses less digits than its factorization.

102134021243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447257.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102134021243 its reverse (342120431201), we get a palindrome (444254452444).

The spelling of 102134021243 in words is "one hundred two billion, one hundred thirty-four million, twenty-one thousand, two hundred forty-three".