1004272278 has 32 divisors (see below), whose sum is σ = 2087721216. Its totient is φ = 321779808.

The previous prime is 1004272271. The next prime is 1004272307. The reversal of 1004272278 is 8722724001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004272271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8826 + ... + 45677.

It is an arithmetic number, because the mean of its divisors is an integer number (65241288).

Almost surely, 2^1004272278 is an apocalyptic number.

1004272278 is an abundant number, since it is smaller than the sum of its proper divisors (1083448938).

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

1004272278 is a wasteful number, since it uses less digits than its factorization.

1004272278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54628.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 1004272278 is about 31690.2552529954. The cubic root of 1004272278 is about 1001.4220694266.

Adding to 1004272278 its reverse (8722724001), we get a palindrome (9726996279).

The spelling of 1004272278 in words is "one billion, four million, two hundred seventy-two thousand, two hundred seventy-eight".