1051426 has 4 divisors (see below), whose sum is σ = 1577142. Its totient is φ = 525712.

The previous prime is 1051423. The next prime is 1051459. The reversal of 1051426 is 6241501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6241501 = 7 ⋅891643.

It can be written as a sum of positive squares in only one way, i.e., 720801 + 330625 = 849^2 + 575^2 .

It is a super-2 number, since 2×1051426² = 2210993266952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262855 + ... + 262858.

2^1051426 is an apocalyptic number.

1051426 is a deficient number, since it is larger than the sum of its proper divisors (525716).

1051426 is an equidigital number, since it uses as much as digits as its factorization.

1051426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525715.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1051426 is about 1025.3906572619. The cubic root of 1051426 is about 101.6856269693.

Adding to 1051426 its reverse (6241501), we get a palindrome (7292927).

The spelling of 1051426 in words is "one million, fifty-one thousand, four hundred twenty-six".