1213432124 has 12 divisors (see below), whose sum is σ = 2124948504. Its totient is φ = 606303984.

The previous prime is 1213432097. The next prime is 1213432127. The reversal of 1213432124 is 4212343121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213432124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213432127) 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, 96347 + ... + 108210.

It is an arithmetic number, because the mean of its divisors is an integer number (177079042).

Almost surely, 2^1213432124 is an apocalyptic number.

It is an amenable number.

1213432124 is a deficient number, since it is larger than the sum of its proper divisors (911516380).

1213432124 is a wasteful number, since it uses less digits than its factorization.

1213432124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206044 (or 206042 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1213432124 is about 34834.3526421835. The cubic root of 1213432124 is about 1066.6088005501.

Adding to 1213432124 its reverse (4212343121), we get a palindrome (5425775245).

The spelling of 1213432124 in words is "one billion, two hundred thirteen million, four hundred thirty-two thousand, one hundred twenty-four".