1232207387 has 4 divisors (see below), whose sum is σ = 1232279496. Its totient is φ = 1232135280.

The previous prime is 1232207377. The next prime is 1232207401. The reversal of 1232207387 is 7837022321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1232207387 - 2⁴ = 1232207371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232207357) 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, 5687 + ... + 49967.

It is an arithmetic number, because the mean of its divisors is an integer number (308069874).

Almost surely, 2^1232207387 is an apocalyptic number.

1232207387 is a deficient number, since it is larger than the sum of its proper divisors (72109).

1232207387 is an equidigital number, since it uses as much as digits as its factorization.

1232207387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72108.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1232207387 is about 35102.8116680131. The cubic root of 1232207387 is about 1072.0818312426.

The spelling of 1232207387 in words is "one billion, two hundred thirty-two million, two hundred seven thousand, three hundred eighty-seven".