100939427 has 2 divisors, whose sum is σ = 100939428. Its totient is φ = 100939426.

The previous prime is 100939411. The next prime is 100939463. The reversal of 100939427 is 724939001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100939427 - 2⁴ = 100939411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100939477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50469713 + 50469714.

It is an arithmetic number, because the mean of its divisors is an integer number (50469714).

Almost surely, 2^100939427 is an apocalyptic number.

100939427 is a deficient number, since it is larger than the sum of its proper divisors (1).

100939427 is an equidigital number, since it uses as much as digits as its factorization.

100939427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 100939427 is about 10046.8615497577. The cubic root of 100939427 is about 465.6078334707.

The spelling of 100939427 in words is "one hundred million, nine hundred thirty-nine thousand, four hundred twenty-seven".