606121389 has 12 divisors (see below), whose sum is σ = 876189600. Its totient is φ = 403766664.

The previous prime is 606121381. The next prime is 606121427. The reversal of 606121389 is 983121606.

606121389 is a `hidden beast` number, since 6 + 0 + 612 + 1 + 38 + 9 = 666.

It is not a de Polignac number, because 606121389 - 2³ = 606121381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606121381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13659 + ... + 37400.

It is an arithmetic number, because the mean of its divisors is an integer number (73015800).

Almost surely, 2^606121389 is an apocalyptic number.

It is an amenable number.

606121389 is a deficient number, since it is larger than the sum of its proper divisors (270068211).

606121389 is a wasteful number, since it uses less digits than its factorization.

606121389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52384 (or 52381 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 606121389 is about 24619.5326722503. The cubic root of 606121389 is about 846.2912876196.

It can be divided in two parts, 60612 and 1389, that added together give a square (62001 = 249²).

The spelling of 606121389 in words is "six hundred six million, one hundred twenty-one thousand, three hundred eighty-nine".