402124133 has 2 divisors, whose sum is σ = 402124134. Its totient is φ = 402124132.

The previous prime is 402124123. The next prime is 402124159. The reversal of 402124133 is 331421204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362597764 + 39526369 = 19042^2 + 6287^2 .

It is a cyclic number.

It is not a de Polignac number, because 402124133 - 2¹⁰ = 402123109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402124123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201062066 + 201062067.

It is an arithmetic number, because the mean of its divisors is an integer number (201062067).

Almost surely, 2^402124133 is an apocalyptic number.

It is an amenable number.

402124133 is a deficient number, since it is larger than the sum of its proper divisors (1).

402124133 is an equidigital number, since it uses as much as digits as its factorization.

402124133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 402124133 is about 20053.0330124897. The cubic root of 402124133 is about 738.1082266986.

Adding to 402124133 its reverse (331421204), we get a palindrome (733545337).

The spelling of 402124133 in words is "four hundred two million, one hundred twenty-four thousand, one hundred thirty-three".