172401063 has 16 divisors (see below), whose sum is σ = 244627200. Its totient is φ = 107623296.

The previous prime is 172401059. The next prime is 172401071. The reversal of 172401063 is 360104271.

It is not a de Polignac number, because 172401063 - 2² = 172401059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172401083) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1656 + ... + 18642.

It is an arithmetic number, because the mean of its divisors is an integer number (15289200).

Almost surely, 2^172401063 is an apocalyptic number.

172401063 is a deficient number, since it is larger than the sum of its proper divisors (72226137).

172401063 is a wasteful number, since it uses less digits than its factorization.

172401063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17206.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 172401063 is about 13130.1585291268. The cubic root of 172401063 is about 556.5616951400.

The spelling of 172401063 in words is "one hundred seventy-two million, four hundred one thousand, sixty-three".