2120090029 has 2 divisors, whose sum is σ = 2120090030. Its totient is φ = 2120090028.

The previous prime is 2120090023. The next prime is 2120090039. The reversal of 2120090029 is 9200900212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2102222500 + 17867529 = 45850^2 + 4227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120090029 - 2¹³ = 2120081837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120089985 and 2120090012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120090023) 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, 1060045014 + 1060045015.

It is an arithmetic number, because the mean of its divisors is an integer number (1060045015).

Almost surely, 2^2120090029 is an apocalyptic number.

It is an amenable number.

2120090029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120090029 is an equidigital number, since it uses as much as digits as its factorization.

2120090029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2120090029 is about 46044.4353749723. The cubic root of 2120090029 is about 1284.6498420625.

The spelling of 2120090029 in words is "two billion, one hundred twenty million, ninety thousand, twenty-nine".