272720101 has 2 divisors, whose sum is σ = 272720102. Its totient is φ = 272720100.

The previous prime is 272720057. The next prime is 272720183. The reversal of 272720101 is 101027272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203747076 + 68973025 = 14274^2 + 8305^2 .

It is a cyclic number.

It is not a de Polignac number, because 272720101 - 2¹¹ = 272718053 is a prime.

It is a super-3 number, since 3×272720101³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272720191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136360050 + 136360051.

It is an arithmetic number, because the mean of its divisors is an integer number (136360051).

Almost surely, 2^272720101 is an apocalyptic number.

It is an amenable number.

272720101 is a deficient number, since it is larger than the sum of its proper divisors (1).

272720101 is an equidigital number, since it uses as much as digits as its factorization.

272720101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 272720101 is about 16514.2393406418. The cubic root of 272720101 is about 648.4936328135.

Adding to 272720101 its reverse (101027272), we get a palindrome (373747373).

The spelling of 272720101 in words is "two hundred seventy-two million, seven hundred twenty thousand, one hundred one".