430120997 has 2 divisors, whose sum is σ = 430120998. Its totient is φ = 430120996.

The previous prime is 430120987. The next prime is 430121051. The reversal of 430120997 is 799021034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229643716 + 200477281 = 15154^2 + 14159^2 .

It is a cyclic number.

It is not a de Polignac number, because 430120997 - 2¹² = 430116901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430120987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215060498 + 215060499.

It is an arithmetic number, because the mean of its divisors is an integer number (215060499).

Almost surely, 2^430120997 is an apocalyptic number.

It is an amenable number.

430120997 is a deficient number, since it is larger than the sum of its proper divisors (1).

430120997 is an equidigital number, since it uses as much as digits as its factorization.

430120997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 430120997 is about 20739.3586448569. The cubic root of 430120997 is about 754.8550206248.

The spelling of 430120997 in words is "four hundred thirty million, one hundred twenty thousand, nine hundred ninety-seven".