100121434 has 8 divisors (see below), whose sum is σ = 171636768. Its totient is φ = 42909180.

The previous prime is 100121429. The next prime is 100121443. The reversal of 100121434 is 434121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3575752 + ... + 3575779.

It is an arithmetic number, because the mean of its divisors is an integer number (21454596).

Almost surely, 2^100121434 is an apocalyptic number.

100121434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

100121434 is a deficient number, since it is larger than the sum of its proper divisors (71515334).

100121434 is an equidigital number, since it uses as much as digits as its factorization.

100121434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7151540.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100121434 is about 10006.0698578413. The cubic root of 100121434 is about 464.3466895944.

Adding to 100121434 its reverse (434121001), we get a palindrome (534242435).

The spelling of 100121434 in words is "one hundred million, one hundred twenty-one thousand, four hundred thirty-four".