1238084172 has 36 divisors (see below), whose sum is σ = 3370341520. Its totient is φ = 380948832.

The previous prime is 1238084119. The next prime is 1238084173. The reversal of 1238084172 is 2714808321.

1238084172 is a `hidden beast` number, since 1 + 238 + 0 + 8 + 417 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1238084173) 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, 1322272 + ... + 1323207.

Almost surely, 2^1238084172 is an apocalyptic number.

1238084172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1238084172 is an abundant number, since it is smaller than the sum of its proper divisors (2132257348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1238084172 is a wasteful number, since it uses less digits than its factorization.

1238084172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645502 (or 2645497 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1238084172 is about 35186.4202782835. The cubic root of 1238084172 is about 1073.7834941168.

The spelling of 1238084172 in words is "one billion, two hundred thirty-eight million, eighty-four thousand, one hundred seventy-two".