101200045 has 8 divisors (see below), whose sum is σ = 123498720. Its totient is φ = 79587600.

The previous prime is 101200007. The next prime is 101200051. The reversal of 101200045 is 540002101.

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

It is not a de Polignac number, because 101200045 - 2⁹ = 101199533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101199998 and 101200034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171231 + ... + 171820.

It is an arithmetic number, because the mean of its divisors is an integer number (15437340).

Almost surely, 2^101200045 is an apocalyptic number.

It is an amenable number.

101200045 is a deficient number, since it is larger than the sum of its proper divisors (22298675).

101200045 is an equidigital number, since it uses as much as digits as its factorization.

101200045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343115.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 101200045 is about 10059.8233085875. The cubic root of 101200045 is about 466.0082105426.

Adding to 101200045 its reverse (540002101), we get a palindrome (641202146).

The spelling of 101200045 in words is "one hundred one million, two hundred thousand, forty-five".