1246020229 has 2 divisors, whose sum is σ = 1246020230. Its totient is φ = 1246020228.

The previous prime is 1246020179. The next prime is 1246020257. The reversal of 1246020229 is 9220206421.

It is an a-pointer prime, because the next prime (1246020257) can be obtained adding 1246020229 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1209996225 + 36024004 = 34785^2 + 6002^2 .

It is an emirp because it is prime and its reverse (9220206421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1246020229 - 2¹⁷ = 1245889157 is a prime.

It is a super-2 number, since 2×1246020229² = 3105132822154424882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1246020197 and 1246020206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1246020289) 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, 623010114 + 623010115.

It is an arithmetic number, because the mean of its divisors is an integer number (623010115).

Almost surely, 2^1246020229 is an apocalyptic number.

It is an amenable number.

1246020229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246020229 is an equidigital number, since it uses as much as digits as its factorization.

1246020229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1246020229 is about 35299.0117283756. The cubic root of 1246020229 is about 1076.0729087033.

The spelling of 1246020229 in words is "one billion, two hundred forty-six million, twenty thousand, two hundred twenty-nine".