106019789 has 2 divisors, whose sum is σ = 106019790. Its totient is φ = 106019788.

The previous prime is 106019777. The next prime is 106019813. The reversal of 106019789 is 987910601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98346889 + 7672900 = 9917^2 + 2770^2 .

It is a cyclic number.

It is not a de Polignac number, because 106019789 - 2¹⁶ = 105954253 is a prime.

It is a super-2 number, since 2×106019789² = 22480391319209042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106019759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53009894 + 53009895.

It is an arithmetic number, because the mean of its divisors is an integer number (53009895).

Almost surely, 2^106019789 is an apocalyptic number.

It is an amenable number.

106019789 is a deficient number, since it is larger than the sum of its proper divisors (1).

106019789 is an equidigital number, since it uses as much as digits as its factorization.

106019789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 106019789 is about 10296.5911349339. The cubic root of 106019789 is about 473.2917981914.

The spelling of 106019789 in words is "one hundred six million, nineteen thousand, seven hundred eighty-nine".