1220253359 has 16 divisors (see below), whose sum is σ = 1396241280. Its totient is φ = 1057108320.

The previous prime is 1220253323. The next prime is 1220253361. The reversal of 1220253359 is 9533520221.

It is not a de Polignac number, because 1220253359 - 2²⁰ = 1219204783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220253389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3344 + ... + 49514.

It is an arithmetic number, because the mean of its divisors is an integer number (87265080).

Almost surely, 2^1220253359 is an apocalyptic number.

1220253359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1220253359 is a deficient number, since it is larger than the sum of its proper divisors (175987921).

1220253359 is a wasteful number, since it uses less digits than its factorization.

1220253359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46310.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1220253359 is about 34932.1250284033. The cubic root of 1220253359 is about 1068.6036926860.

The spelling of 1220253359 in words is "one billion, two hundred twenty million, two hundred fifty-three thousand, three hundred fifty-nine".