172262120 has 16 divisors (see below), whose sum is σ = 387589860. Its totient is φ = 68904832.

The previous prime is 172262089. The next prime is 172262131. The reversal of 172262120 is 21262271.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 162664516 + 9597604 = 12754^2 + 3098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2153237 + ... + 2153316.

Almost surely, 2^172262120 is an apocalyptic number.

172262120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172262120 is an abundant number, since it is smaller than the sum of its proper divisors (215327740).

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

172262120 is a wasteful number, since it uses less digits than its factorization.

172262120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306564 (or 4306560 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 172262120 is about 13124.8664755113. The cubic root of 172262120 is about 556.4121385696.

The spelling of 172262120 in words is "one hundred seventy-two million, two hundred sixty-two thousand, one hundred twenty".