172485103 has 8 divisors (see below), whose sum is σ = 197205408. Its totient is φ = 147784704.

The previous prime is 172485037. The next prime is 172485107. The reversal of 172485103 is 301584271.

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

It is a cyclic number.

It is not a de Polignac number, because 172485103 - 2⁹ = 172484591 is a prime.

It is a super-2 number, since 2×172485103² = 59502221513841218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172485107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30075 + ... + 35347.

It is an arithmetic number, because the mean of its divisors is an integer number (24650676).

Almost surely, 2^172485103 is an apocalyptic number.

172485103 is a deficient number, since it is larger than the sum of its proper divisors (24720305).

172485103 is an equidigital number, since it uses as much as digits as its factorization.

172485103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 172485103 is about 13133.3584052214. The cubic root of 172485103 is about 556.6521157865.

The spelling of 172485103 in words is "one hundred seventy-two million, four hundred eighty-five thousand, one hundred three".