900112019 has 2 divisors, whose sum is σ = 900112020. Its totient is φ = 900112018.

The previous prime is 900111967. The next prime is 900112069. The reversal of 900112019 is 910211009.

It is a strong prime.

It is an emirp because it is prime and its reverse (910211009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900112019 - 2⁸ = 900111763 is a prime.

It is a super-2 number, since 2×900112019² = 1620403293496512722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 900111985 and 900112003.

It is not a weakly prime, because it can be changed into another prime (900112069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450056009 + 450056010.

It is an arithmetic number, because the mean of its divisors is an integer number (450056010).

Almost surely, 2^900112019 is an apocalyptic number.

900112019 is a deficient number, since it is larger than the sum of its proper divisors (1).

900112019 is an equidigital number, since it uses as much as digits as its factorization.

900112019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 900112019 is about 30001.8669252432. The cubic root of 900112019 is about 965.5294396681.

The spelling of 900112019 in words is "nine hundred million, one hundred twelve thousand, nineteen".