1220532983 has 2 divisors, whose sum is σ = 1220532984. Its totient is φ = 1220532982.

The previous prime is 1220532979. The next prime is 1220533031. The reversal of 1220532983 is 3892350221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220532983 - 2² = 1220532979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220532913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610266491 + 610266492.

It is an arithmetic number, because the mean of its divisors is an integer number (610266492).

Almost surely, 2^1220532983 is an apocalyptic number.

1220532983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220532983 is an equidigital number, since it uses as much as digits as its factorization.

1220532983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1220532983 is about 34936.1271894868. The cubic root of 1220532983 is about 1068.6853108230.

The spelling of 1220532983 in words is "one billion, two hundred twenty million, five hundred thirty-two thousand, nine hundred eighty-three".