1232513542 has 8 divisors (see below), whose sum is σ = 1990983456. Its totient is φ = 568852392.

The previous prime is 1232513539. The next prime is 1232513551. The reversal of 1232513542 is 2453152321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1232513542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23702158 + ... + 23702209.

It is an arithmetic number, because the mean of its divisors is an integer number (248872932).

Almost surely, 2^1232513542 is an apocalyptic number.

1232513542 is a deficient number, since it is larger than the sum of its proper divisors (758469914).

1232513542 is a wasteful number, since it uses less digits than its factorization.

1232513542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47404382.

The product of its digits is 7200, while the sum is 28.

The square root of 1232513542 is about 35107.1722301868. The cubic root of 1232513542 is about 1072.1706139255.

Adding to 1232513542 its reverse (2453152321), we get a palindrome (3685665863).

The spelling of 1232513542 in words is "one billion, two hundred thirty-two million, five hundred thirteen thousand, five hundred forty-two".