100272427 has 2 divisors, whose sum is σ = 100272428. Its totient is φ = 100272426.

The previous prime is 100272421. The next prime is 100272437. The reversal of 100272427 is 724272001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100272427 - 2⁷ = 100272299 is a prime.

It is not a weakly prime, because it can be changed into another prime (100272421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50136213 + 50136214.

It is an arithmetic number, because the mean of its divisors is an integer number (50136214).

Almost surely, 2^100272427 is an apocalyptic number.

100272427 is a deficient number, since it is larger than the sum of its proper divisors (1).

100272427 is an equidigital number, since it uses as much as digits as its factorization.

100272427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 100272427 is about 10013.6120855563. The cubic root of 100272427 is about 464.5799992218.

The spelling of 100272427 in words is "one hundred million, two hundred seventy-two thousand, four hundred twenty-seven".