1232501440045 has 4 divisors (see below), whose sum is σ = 1479001728060. Its totient is φ = 986001152032.

The previous prime is 1232501439959. The next prime is 1232501440063. The reversal of 1232501440045 is 5400441052321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 374101043044 + 858400397001 = 611638^2 + 926499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232501440045 - 2²⁹ = 1231964569133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232501439989 and 1232501440016.

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, 123250144000 + ... + 123250144009.

It is an arithmetic number, because the mean of its divisors is an integer number (369750432015).

Almost surely, 2^{1232501440045} is an apocalyptic number.

It is an amenable number.

1232501440045 is a deficient number, since it is larger than the sum of its proper divisors (246500288015).

1232501440045 is an equidigital number, since it uses as much as digits as its factorization.

1232501440045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246500288014.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 1232501440045 its reverse (5400441052321), we get a palindrome (6632942492366).

The spelling of 1232501440045 in words is "one trillion, two hundred thirty-two billion, five hundred one million, four hundred forty thousand, forty-five".