172034120 has 16 divisors (see below), whose sum is σ = 387076860. Its totient is φ = 68813632.

The previous prime is 172034111. The next prime is 172034129. The reversal of 172034120 is 21430271.

It is an interprime number because it is at equal distance from previous prime (172034111) and next prime (172034129).

It can be written as a sum of positive squares in 2 ways, for example, as 170511364 + 1522756 = 13058^2 + 1234^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 172034092 and 172034101.

It is not an unprimeable number, because it can be changed into a prime (172034129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150387 + ... + 2150466.

Almost surely, 2^172034120 is an apocalyptic number.

172034120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172034120 is an abundant number, since it is smaller than the sum of its proper divisors (215042740).

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

172034120 is a wasteful number, since it uses less digits than its factorization.

172034120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300864 (or 4300860 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 172034120 is about 13116.1777969041. The cubic root of 172034120 is about 556.1665477634.

Adding to 172034120 its reverse (21430271), we get a palindrome (193464391).

The spelling of 172034120 in words is "one hundred seventy-two million, thirty-four thousand, one hundred twenty".