1220452159 has 2 divisors, whose sum is σ = 1220452160. Its totient is φ = 1220452158.

The previous prime is 1220452139. The next prime is 1220452171. The reversal of 1220452159 is 9512540221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220452159 - 2⁵ = 1220452127 is a prime.

It is a super-2 number, since 2×1220452159² = 2979006944815522562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220452159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220452139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610226079 + 610226080.

It is an arithmetic number, because the mean of its divisors is an integer number (610226080).

Almost surely, 2^1220452159 is an apocalyptic number.

1220452159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220452159 is an equidigital number, since it uses as much as digits as its factorization.

1220452159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1220452159 is about 34934.9704307875. The cubic root of 1220452159 is about 1068.6617207659.

The spelling of 1220452159 in words is "one billion, two hundred twenty million, four hundred fifty-two thousand, one hundred fifty-nine".