102420143435 has 16 divisors (see below), whose sum is σ = 129914150400. Its totient is φ = 77298885216.

The previous prime is 102420143333. The next prime is 102420143453. The reversal of 102420143435 is 534341024201.

It is a cyclic number.

It is not a de Polignac number, because 102420143435 - 2¹⁶ = 102420077899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102420143398 and 102420143407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2232749 + ... + 2278158.

It is an arithmetic number, because the mean of its divisors is an integer number (8119634400).

Almost surely, 2^102420143435 is an apocalyptic number.

102420143435 is a deficient number, since it is larger than the sum of its proper divisors (27494006965).

102420143435 is a wasteful number, since it uses less digits than its factorization.

102420143435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511170.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 102420143435 its reverse (534341024201), we get a palindrome (636761167636).

The spelling of 102420143435 in words is "one hundred two billion, four hundred twenty million, one hundred forty-three thousand, four hundred thirty-five".