402111299 has 2 divisors, whose sum is σ = 402111300. Its totient is φ = 402111298.

The previous prime is 402111289. The next prime is 402111349. The reversal of 402111299 is 992111204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402111299 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402111209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201055649 + 201055650.

It is an arithmetic number, because the mean of its divisors is an integer number (201055650).

Almost surely, 2^402111299 is an apocalyptic number.

402111299 is a deficient number, since it is larger than the sum of its proper divisors (1).

402111299 is an equidigital number, since it uses as much as digits as its factorization.

402111299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 402111299 is about 20052.7130084685. The cubic root of 402111299 is about 738.1003742463.

The spelling of 402111299 in words is "four hundred two million, one hundred eleven thousand, two hundred ninety-nine".