669210124 has 12 divisors (see below), whose sum is σ = 1277583048. Its totient is φ = 304186400.

The previous prime is 669210121. The next prime is 669210127. The reversal of 669210124 is 421012966.

669210124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (669210121) and next prime (669210127).

It is not an unprimeable number, because it can be changed into a prime (669210121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7604617 + ... + 7604704.

It is an arithmetic number, because the mean of its divisors is an integer number (106465254).

Almost surely, 2^669210124 is an apocalyptic number.

It is an amenable number.

669210124 is a deficient number, since it is larger than the sum of its proper divisors (608372924).

669210124 is a wasteful number, since it uses less digits than its factorization.

669210124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15209336 (or 15209334 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 669210124 is about 25869.0959254474. The cubic root of 669210124 is about 874.6900122067.

The spelling of 669210124 in words is "six hundred sixty-nine million, two hundred ten thousand, one hundred twenty-four".