213024124 has 12 divisors (see below), whose sum is σ = 392413000. Its totient is φ = 100906128.

The previous prime is 213024121. The next prime is 213024179. The reversal of 213024124 is 421420312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213024121) 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, 1401399 + ... + 1401550.

Almost surely, 2^213024124 is an apocalyptic number.

It is an amenable number.

213024124 is a deficient number, since it is larger than the sum of its proper divisors (179388876).

213024124 is a wasteful number, since it uses less digits than its factorization.

213024124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802972 (or 2802970 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 213024124 is about 14595.3459705483. The cubic root of 213024124 is about 597.2318074167.

Adding to 213024124 its reverse (421420312), we get a palindrome (634444436).

The spelling of 213024124 in words is "two hundred thirteen million, twenty-four thousand, one hundred twenty-four".