100427003 has 2 divisors, whose sum is σ = 100427004. Its totient is φ = 100427002.

The previous prime is 100426967. The next prime is 100427009. The reversal of 100427003 is 300724001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100427003 - 2⁸ = 100426747 is a prime.

It is not a weakly prime, because it can be changed into another prime (100427009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50213501 + 50213502.

It is an arithmetic number, because the mean of its divisors is an integer number (50213502).

Almost surely, 2^100427003 is an apocalyptic number.

100427003 is a deficient number, since it is larger than the sum of its proper divisors (1).

100427003 is an equidigital number, since it uses as much as digits as its factorization.

100427003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 100427003 is about 10021.3274070854. The cubic root of 100427003 is about 464.8186026955.

The spelling of 100427003 in words is "one hundred million, four hundred twenty-seven thousand, three".