1078291 has 8 divisors (see below), whose sum is σ = 1120544. Its totient is φ = 1036800.

The previous prime is 1078247. The next prime is 1078331. The reversal of 1078291 is 1928701.

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

It is a 9-Lehmer number, since φ(1078291) divides (1078291-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 1078291 - 2⁷ = 1078163 is a prime.

It is a super-2 number, since 2×1078291² = 2325422961362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078241) 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, 5491 + ... + 5683.

It is an arithmetic number, because the mean of its divisors is an integer number (140068).

2^1078291 is an apocalyptic number.

1078291 is a deficient number, since it is larger than the sum of its proper divisors (42253).

1078291 is a wasteful number, since it uses less digits than its factorization.

1078291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1078291 is about 1038.4079159945. The cubic root of 1078291 is about 102.5444106580.

It can be divided in two parts, 1078 and 291, that added together give a square (1369 = 37²).

The spelling of 1078291 in words is "one million, seventy-eight thousand, two hundred ninety-one".