1227101 has 2 divisors, whose sum is σ = 1227102. Its totient is φ = 1227100.

The previous prime is 1227053. The next prime is 1227103. The reversal of 1227101 is 1017221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1104601 + 122500 = 1051^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227101 - 2¹⁰ = 1226077 is a prime.

Together with 1227103, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613550 + 613551.

It is an arithmetic number, because the mean of its divisors is an integer number (613551).

2^1227101 is an apocalyptic number.

It is an amenable number.

1227101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227101 is an equidigital number, since it uses as much as digits as its factorization.

1227101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1227101 is about 1107.7459094937. The cubic root of 1227101 is about 107.0598843752.

The spelling of 1227101 in words is "one million, two hundred twenty-seven thousand, one hundred one".