1232172460 has 12 divisors (see below), whose sum is σ = 2587562208. Its totient is φ = 492868976.

The previous prime is 1232172449. The next prime is 1232172463. The reversal of 1232172460 is 642712321.

It is not an unprimeable number, because it can be changed into a prime (1232172463) 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, 30804292 + ... + 30804331.

It is an arithmetic number, because the mean of its divisors is an integer number (215630184).

Almost surely, 2^1232172460 is an apocalyptic number.

1232172460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232172460 is an abundant number, since it is smaller than the sum of its proper divisors (1355389748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232172460 is a wasteful number, since it uses less digits than its factorization.

1232172460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61608632 (or 61608630 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1232172460 is about 35102.3141687268. The cubic root of 1232172460 is about 1072.0717017367.

Adding to 1232172460 its reverse (642712321), we get a palindrome (1874884781).

The spelling of 1232172460 in words is "one billion, two hundred thirty-two million, one hundred seventy-two thousand, four hundred sixty".