1238152173 has 12 divisors (see below), whose sum is σ = 1674815904. Its totient is φ = 813471400.

The previous prime is 1238152151. The next prime is 1238152199. The reversal of 1238152173 is 3712518321.

It is a happy number.

It is not a de Polignac number, because 1238152173 - 2⁸ = 1238151917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238152373) 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, 512338 + ... + 514748.

It is an arithmetic number, because the mean of its divisors is an integer number (139567992).

Almost surely, 2^1238152173 is an apocalyptic number.

It is an amenable number.

1238152173 is a deficient number, since it is larger than the sum of its proper divisors (436663731).

1238152173 is an frugal number, since it uses more digits than its factorization.

1238152173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896 (or 2485 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 1238152173 is about 35187.3865610960. The cubic root of 1238152173 is about 1073.8031527195.

The spelling of 1238152173 in words is "one billion, two hundred thirty-eight million, one hundred fifty-two thousand, one hundred seventy-three".