100051243 has 2 divisors, whose sum is σ = 100051244. Its totient is φ = 100051242.

The previous prime is 100051199. The next prime is 100051267. The reversal of 100051243 is 342150001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100051243 - 2¹³ = 100043051 is a prime.

It is not a weakly prime, because it can be changed into another prime (100055243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50025621 + 50025622.

It is an arithmetic number, because the mean of its divisors is an integer number (50025622).

Almost surely, 2^100051243 is an apocalyptic number.

100051243 is a deficient number, since it is larger than the sum of its proper divisors (1).

100051243 is an equidigital number, since it uses as much as digits as its factorization.

100051243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100051243 is about 10002.5618218534. The cubic root of 100051243 is about 464.2381528017.

The spelling of 100051243 in words is "one hundred million, fifty-one thousand, two hundred forty-three".