101124019 has 2 divisors, whose sum is σ = 101124020. Its totient is φ = 101124018.

The previous prime is 101124017. The next prime is 101124043. The reversal of 101124019 is 910421101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101124019 - 2¹ = 101124017 is a prime.

It is a super-2 number, since 2×101124019² = 20452134437424722, which contains 22 as substring.

Together with 101124017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 101123987 and 101124005.

It is not a weakly prime, because it can be changed into another prime (101124017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50562009 + 50562010.

It is an arithmetic number, because the mean of its divisors is an integer number (50562010).

Almost surely, 2^101124019 is an apocalyptic number.

101124019 is a deficient number, since it is larger than the sum of its proper divisors (1).

101124019 is an equidigital number, since it uses as much as digits as its factorization.

101124019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 101124019 is about 10056.0439040410. The cubic root of 101124019 is about 465.8914859048.

The spelling of 101124019 in words is "one hundred one million, one hundred twenty-four thousand, nineteen".