1206291 has 8 divisors (see below), whose sum is σ = 1693120. Its totient is φ = 761832.

The previous prime is 1206277. The next prime is 1206307. The reversal of 1206291 is 1926021.

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

It is not a de Polignac number, because 1206291 - 2⁵ = 1206259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206391) 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, 10525 + ... + 10638.

It is an arithmetic number, because the mean of its divisors is an integer number (211640).

2^1206291 is an apocalyptic number.

1206291 is a deficient number, since it is larger than the sum of its proper divisors (486829).

1206291 is a wasteful number, since it uses less digits than its factorization.

1206291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21185.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1206291 is about 1098.3127969754. The cubic root of 1206291 is about 106.4512329350.

The spelling of 1206291 in words is "one million, two hundred six thousand, two hundred ninety-one".