1261662 has 8 divisors (see below), whose sum is σ = 2523336. Its totient is φ = 420552.

The previous prime is 1261649. The next prime is 1261697. The reversal of 1261662 is 2661621.

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

1261662 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nude number because it is divisible by every one of its digits.

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, 105133 + ... + 105144.

It is an arithmetic number, because the mean of its divisors is an integer number (315417).

2^1261662 is an apocalyptic number.

1261662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1261662 is a wasteful number, since it uses less digits than its factorization.

1261662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210282.

The product of its digits is 864, while the sum is 24.

The square root of 1261662 is about 1123.2372857059. The cubic root of 1261662 is about 108.0556982934.

The spelling of 1261662 in words is "one million, two hundred sixty-one thousand, six hundred sixty-two".