213420124 has 6 divisors (see below), whose sum is σ = 373485224. Its totient is φ = 106710060.

The previous prime is 213420121. The next prime is 213420133. The reversal of 213420124 is 421024312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213420121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26677512 + ... + 26677519.

Almost surely, 2^213420124 is an apocalyptic number.

It is an amenable number.

213420124 is a deficient number, since it is larger than the sum of its proper divisors (160065100).

213420124 is a wasteful number, since it uses less digits than its factorization.

213420124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53355035 (or 53355033 counting only the distinct ones).

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

The square root of 213420124 is about 14608.9056400539. The cubic root of 213420124 is about 597.6016519102.

Adding to 213420124 its reverse (421024312), we get a palindrome (634444436).

The spelling of 213420124 in words is "two hundred thirteen million, four hundred twenty thousand, one hundred twenty-four".