1337261 has 2 divisors, whose sum is σ = 1337262. Its totient is φ = 1337260.

The previous prime is 1337227. The next prime is 1337263. The reversal of 1337261 is 1627331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 855625 + 481636 = 925^2 + 694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1337261 is a prime.

It is a Sophie Germain prime.

Together with 1337263, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1337263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668630 + 668631.

It is an arithmetic number, because the mean of its divisors is an integer number (668631).

2^1337261 is an apocalyptic number.

It is an amenable number.

1337261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337261 is an equidigital number, since it uses as much as digits as its factorization.

1337261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 23.

The square root of 1337261 is about 1156.4000172951. The cubic root of 1337261 is about 110.1722095968.

The spelling of 1337261 in words is "one million, three hundred thirty-seven thousand, two hundred sixty-one".