1299101 has 2 divisors, whose sum is σ = 1299102. Its totient is φ = 1299100.

The previous prime is 1299097. The next prime is 1299143. The reversal of 1299101 is 1019921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1276900 + 22201 = 1130^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1299101 - 2² = 1299097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649550 + 649551.

It is an arithmetic number, because the mean of its divisors is an integer number (649551).

2^1299101 is an apocalyptic number.

It is an amenable number.

1299101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299101 is an equidigital number, since it uses as much as digits as its factorization.

1299101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 1299101 is about 1139.7811193383. The cubic root of 1299101 is about 109.1141244995.

The spelling of 1299101 in words is "one million, two hundred ninety-nine thousand, one hundred one".