102113043 has 4 divisors (see below), whose sum is σ = 136150728. Its totient is φ = 68075360.

The previous prime is 102113029. The next prime is 102113047. The reversal of 102113043 is 340311201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102113043 - 2¹⁶ = 102047507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102113047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17018838 + ... + 17018843.

It is an arithmetic number, because the mean of its divisors is an integer number (34037682).

Almost surely, 2^102113043 is an apocalyptic number.

102113043 is a deficient number, since it is larger than the sum of its proper divisors (34037685).

102113043 is an equidigital number, since it uses as much as digits as its factorization.

102113043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34037684.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102113043 is about 10105.0998510653. The cubic root of 102113043 is about 467.4054150112.

Adding to 102113043 its reverse (340311201), we get a palindrome (442424244).

The spelling of 102113043 in words is "one hundred two million, one hundred thirteen thousand, forty-three".