1201261 has 2 divisors, whose sum is σ = 1201262. Its totient is φ = 1201260.

The previous prime is 1201247. The next prime is 1201283. The reversal of 1201261 is 1621021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012036 + 189225 = 1006^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201261 - 2⁵ = 1201229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600630 + 600631.

It is an arithmetic number, because the mean of its divisors is an integer number (600631).

2^1201261 is an apocalyptic number.

It is an amenable number.

1201261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201261 is an equidigital number, since it uses as much as digits as its factorization.

1201261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1201261 is about 1096.0205290048. The cubic root of 1201261 is about 106.3030664558.

Adding to 1201261 its reverse (1621021), we get a palindrome (2822282).

The spelling of 1201261 in words is "one million, two hundred one thousand, two hundred sixty-one".