1230278 has 8 divisors (see below), whose sum is σ = 2109072. Its totient is φ = 527256.

The previous prime is 1230263. The next prime is 1230301. The reversal of 1230278 is 8720321.

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, 43925 + ... + 43952.

It is an arithmetic number, because the mean of its divisors is an integer number (263634).

2^1230278 is an apocalyptic number.

1230278 is a deficient number, since it is larger than the sum of its proper divisors (878794).

1230278 is an equidigital number, since it uses as much as digits as its factorization.

1230278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87886.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1230278 is about 1109.1789756392. The cubic root of 1230278 is about 107.1521984660.

Adding to 1230278 its reverse (8720321), we get a palindrome (9950599).

The spelling of 1230278 in words is "one million, two hundred thirty thousand, two hundred seventy-eight".