1232011505 has 16 divisors (see below), whose sum is σ = 1566279504. Its totient is φ = 927098880.

The previous prime is 1232011493. The next prime is 1232011513. The reversal of 1232011505 is 5051102321.

It is a happy number.

1232011505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 39828721 + 1192182784 = 6311^2 + 34528^2 .

It is not a de Polignac number, because 1232011505 - 2⁴ = 1232011489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207275 + ... + 213135.

It is an arithmetic number, because the mean of its divisors is an integer number (97892469).

Almost surely, 2^1232011505 is an apocalyptic number.

It is an amenable number.

1232011505 is a deficient number, since it is larger than the sum of its proper divisors (334267999).

1232011505 is a wasteful number, since it uses less digits than its factorization.

1232011505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1232011505 is about 35100.0214387399. The cubic root of 1232011505 is about 1072.0250191982.

Adding to 1232011505 its reverse (5051102321), we get a palindrome (6283113826).

The spelling of 1232011505 in words is "one billion, two hundred thirty-two million, eleven thousand, five hundred five".