1051278 has 16 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 346040.

The previous prime is 1051277. The next prime is 1051283. The reversal of 1051278 is 8721501.

It is a super-2 number, since 2×1051278² = 2210370866568, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

2^1051278 is an apocalyptic number.

1051278 is an abundant number, since it is smaller than the sum of its proper divisors (1077618).

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

1051278 is a wasteful number, since it uses less digits than its factorization.

1051278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1051278 is about 1025.3184871053. The cubic root of 1051278 is about 101.6808556147.

Adding to 1051278 its reverse (8721501), we get a palindrome (9772779).

The spelling of 1051278 in words is "one million, fifty-one thousand, two hundred seventy-eight".