1238732297 has 12 divisors (see below), whose sum is σ = 1364872068. Its totient is φ = 1123399200.

The previous prime is 1238732293. The next prime is 1238732309. The reversal of 1238732297 is 7922378321.

It can be written as a sum of positive squares in 2 ways, for example, as 306285001 + 932447296 = 17501^2 + 30536^2 .

It is not a de Polignac number, because 1238732297 - 2² = 1238732293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238732291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38783 + ... + 63099.

It is an arithmetic number, because the mean of its divisors is an integer number (113739339).

Almost surely, 2^1238732297 is an apocalyptic number.

It is an amenable number.

1238732297 is a deficient number, since it is larger than the sum of its proper divisors (126139771).

1238732297 is a wasteful number, since it uses less digits than its factorization.

1238732297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24760 (or 24749 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 1238732297 is about 35195.6289473565. The cubic root of 1238732297 is about 1073.9708331626.

The spelling of 1238732297 in words is "one billion, two hundred thirty-eight million, seven hundred thirty-two thousand, two hundred ninety-seven".