1220601383 has 2 divisors, whose sum is σ = 1220601384. Its totient is φ = 1220601382.

The previous prime is 1220601341. The next prime is 1220601419. The reversal of 1220601383 is 3831060221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220601383 - 2²⁸ = 952165927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220601883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610300691 + 610300692.

It is an arithmetic number, because the mean of its divisors is an integer number (610300692).

Almost surely, 2^1220601383 is an apocalyptic number.

1220601383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220601383 is an equidigital number, since it uses as much as digits as its factorization.

1220601383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1220601383 is about 34937.1061051141. The cubic root of 1220601383 is about 1068.7052738804.

The spelling of 1220601383 in words is "one billion, two hundred twenty million, six hundred one thousand, three hundred eighty-three".