1021483009 has 2 divisors, whose sum is σ = 1021483010. Its totient is φ = 1021483008.

The previous prime is 1021482983. The next prime is 1021483031. The reversal of 1021483009 is 9003841201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780364225 + 241118784 = 27935^2 + 15528^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021483009 - 2¹¹ = 1021480961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021486009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510741504 + 510741505.

It is an arithmetic number, because the mean of its divisors is an integer number (510741505).

Almost surely, 2^1021483009 is an apocalyptic number.

It is an amenable number.

1021483009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021483009 is an equidigital number, since it uses as much as digits as its factorization.

1021483009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1021483009 is about 31960.6478188412. The cubic root of 1021483009 is about 1007.1103264330.

The spelling of 1021483009 in words is "one billion, twenty-one million, four hundred eighty-three thousand, nine".