100122434 has 4 divisors (see below), whose sum is σ = 150183654. Its totient is φ = 50061216.

The previous prime is 100122403. The next prime is 100122439. The reversal of 100122434 is 434221001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434221001 = 127 ⋅3419063.

It can be written as a sum of positive squares in only one way, i.e., 95981209 + 4141225 = 9797^2 + 2035^2 .

It is not an unprimeable number, because it can be changed into a prime (100122439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030607 + ... + 25030610.

Almost surely, 2^100122434 is an apocalyptic number.

100122434 is a deficient number, since it is larger than the sum of its proper divisors (50061220).

100122434 is an equidigital number, since it uses as much as digits as its factorization.

100122434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50061219.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 100122434 is about 10006.1198273856. The cubic root of 100122434 is about 464.3482355342.

Adding to 100122434 its reverse (434221001), we get a palindrome (534343435).

The spelling of 100122434 in words is "one hundred million, one hundred twenty-two thousand, four hundred thirty-four".