101249443 has 2 divisors, whose sum is σ = 101249444. Its totient is φ = 101249442.

The previous prime is 101249431. The next prime is 101249453. The reversal of 101249443 is 344942101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101249443 - 2¹³ = 101241251 is a prime.

It is not a weakly prime, because it can be changed into another prime (101249453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50624721 + 50624722.

It is an arithmetic number, because the mean of its divisors is an integer number (50624722).

Almost surely, 2^101249443 is an apocalyptic number.

101249443 is a deficient number, since it is larger than the sum of its proper divisors (1).

101249443 is an equidigital number, since it uses as much as digits as its factorization.

101249443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 101249443 is about 10062.2782211585. The cubic root of 101249443 is about 466.0840212108.

The spelling of 101249443 in words is "one hundred one million, two hundred forty-nine thousand, four hundred forty-three".