1206456469 has 2 divisors, whose sum is σ = 1206456470. Its totient is φ = 1206456468.

The previous prime is 1206456443. The next prime is 1206456487. The reversal of 1206456469 is 9646546021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1204992369 + 1464100 = 34713^2 + 1210^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206456469 - 2⁷ = 1206456341 is a prime.

It is a super-2 number, since 2×1206456469² = 2911074423183895922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206456409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603228234 + 603228235.

It is an arithmetic number, because the mean of its divisors is an integer number (603228235).

Almost surely, 2^1206456469 is an apocalyptic number.

It is an amenable number.

1206456469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206456469 is an equidigital number, since it uses as much as digits as its factorization.

1206456469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 1206456469 is about 34734.0822392071. The cubic root of 1206456469 is about 1064.5610007842.

The spelling of 1206456469 in words is "one billion, two hundred six million, four hundred fifty-six thousand, four hundred sixty-nine".