101849401 has 2 divisors, whose sum is σ = 101849402. Its totient is φ = 101849400.

The previous prime is 101849369. The next prime is 101849441. The reversal of 101849401 is 104948101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67322025 + 34527376 = 8205^2 + 5876^2 .

It is a cyclic number.

It is not a de Polignac number, because 101849401 - 2⁵ = 101849369 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101849401.

It is not a weakly prime, because it can be changed into another prime (101849441) 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, 50924700 + 50924701.

It is an arithmetic number, because the mean of its divisors is an integer number (50924701).

Almost surely, 2^101849401 is an apocalyptic number.

It is an amenable number.

101849401 is a deficient number, since it is larger than the sum of its proper divisors (1).

101849401 is an equidigital number, since it uses as much as digits as its factorization.

101849401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 101849401 is about 10092.0464228025. The cubic root of 101849401 is about 467.0028092338.

The spelling of 101849401 in words is "one hundred one million, eight hundred forty-nine thousand, four hundred one".