1238172466 has 8 divisors (see below), whose sum is σ = 1888737840. Its totient is φ = 608593188.

The previous prime is 1238172443. The next prime is 1238172473. The reversal of 1238172466 is 6642718321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5246376 + ... + 5246611.

It is an arithmetic number, because the mean of its divisors is an integer number (236092230).

Almost surely, 2^1238172466 is an apocalyptic number.

1238172466 is a deficient number, since it is larger than the sum of its proper divisors (650565374).

1238172466 is a wasteful number, since it uses less digits than its factorization.

1238172466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10493048.

The product of its digits is 96768, while the sum is 40.

The square root of 1238172466 is about 35187.6749160839. The cubic root of 1238172466 is about 1073.8090191412.

The spelling of 1238172466 in words is "one billion, two hundred thirty-eight million, one hundred seventy-two thousand, four hundred sixty-six".