101420705 has 8 divisors (see below), whose sum is σ = 123768000. Its totient is φ = 79761136.

The previous prime is 101420687. The next prime is 101420707. The reversal of 101420705 is 507024101.

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 101420705 - 2¹⁶ = 101355169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101420707) 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, 171605 + ... + 172194.

It is an arithmetic number, because the mean of its divisors is an integer number (15471000).

Almost surely, 2^101420705 is an apocalyptic number.

It is an amenable number.

101420705 is a deficient number, since it is larger than the sum of its proper divisors (22347295).

101420705 is an equidigital number, since it uses as much as digits as its factorization.

101420705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343863.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 101420705 is about 10070.7847261274. The cubic root of 101420705 is about 466.3466646892.

Adding to 101420705 its reverse (507024101), we get a palindrome (608444806).

The spelling of 101420705 in words is "one hundred one million, four hundred twenty thousand, seven hundred five".