1297078 has 8 divisors (see below), whose sum is σ = 1954872. Its totient is φ = 645456.

The previous prime is 1297063. The next prime is 1297091. The reversal of 1297078 is 8707921.

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

It is a super-2 number, since 2×1297078² = 3364822676168, which contains 22 as substring.

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, 975 + ... + 1882.

It is an arithmetic number, because the mean of its divisors is an integer number (244359).

2^1297078 is an apocalyptic number.

1297078 is a deficient number, since it is larger than the sum of its proper divisors (657794).

1297078 is a wasteful number, since it uses less digits than its factorization.

1297078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1297078 is about 1138.8933224846. The cubic root of 1297078 is about 109.0574564516.

The spelling of 1297078 in words is "one million, two hundred ninety-seven thousand, seventy-eight".