100202043 has 4 divisors (see below), whose sum is σ = 133602728. Its totient is φ = 66801360.

The previous prime is 100202027. The next prime is 100202057. The reversal of 100202043 is 340202001.

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

It is not a de Polignac number, because 100202043 - 2⁴ = 100202027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100202243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16700338 + ... + 16700343.

It is an arithmetic number, because the mean of its divisors is an integer number (33400682).

Almost surely, 2^100202043 is an apocalyptic number.

100202043 is a deficient number, since it is larger than the sum of its proper divisors (33400685).

100202043 is an equidigital number, since it uses as much as digits as its factorization.

100202043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33400684.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 100202043 is about 10010.0970524766. The cubic root of 100202043 is about 464.4712732459.

Adding to 100202043 its reverse (340202001), we get a palindrome (440404044).

The spelling of 100202043 in words is "one hundred million, two hundred two thousand, forty-three".