602129381 has 4 divisors (see below), whose sum is σ = 688147872. Its totient is φ = 516110892.

The previous prime is 602129347. The next prime is 602129401. The reversal of 602129381 is 183921206.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 602129381 - 2¹⁴ = 602112997 is a prime.

It is a super-2 number, since 2×602129381² = 725119582926886322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602126381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43009235 + ... + 43009248.

It is an arithmetic number, because the mean of its divisors is an integer number (172036968).

Almost surely, 2^602129381 is an apocalyptic number.

It is an amenable number.

602129381 is a deficient number, since it is larger than the sum of its proper divisors (86018491).

602129381 is an equidigital number, since it uses as much as digits as its factorization.

602129381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86018490.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 602129381 is about 24538.3247390689. The cubic root of 602129381 is about 844.4292592100.

The spelling of 602129381 in words is "six hundred two million, one hundred twenty-nine thousand, three hundred eighty-one".