1291262 has 8 divisors (see below), whose sum is σ = 2213616. Its totient is φ = 553392.

The previous prime is 1291249. The next prime is 1291271. The reversal of 1291262 is 2621921.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46103 + ... + 46130.

It is an arithmetic number, because the mean of its divisors is an integer number (276702).

2^1291262 is an apocalyptic number.

1291262 is a deficient number, since it is larger than the sum of its proper divisors (922354).

1291262 is an equidigital number, since it uses as much as digits as its factorization.

1291262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92242.

The product of its digits is 432, while the sum is 23.

The square root of 1291262 is about 1136.3370978719. The cubic root of 1291262 is about 108.8942104083.

The spelling of 1291262 in words is "one million, two hundred ninety-one thousand, two hundred sixty-two".