1276261 has 8 divisors (see below), whose sum is σ = 1509120. Its totient is φ = 1056048.

The previous prime is 1276243. The next prime is 1276271. The reversal of 1276261 is 1626721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1276261 - 2⁷ = 1276133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2941 + ... + 3346.

It is an arithmetic number, because the mean of its divisors is an integer number (188640).

2^1276261 is an apocalyptic number.

It is an amenable number.

1276261 is a deficient number, since it is larger than the sum of its proper divisors (232859).

1276261 is an equidigital number, since it uses as much as digits as its factorization.

1276261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323.

The product of its digits is 1008, while the sum is 25.

The square root of 1276261 is about 1129.7172212549. The cubic root of 1276261 is about 108.4708806451.

The spelling of 1276261 in words is "one million, two hundred seventy-six thousand, two hundred sixty-one".