1054021426 has 4 divisors (see below), whose sum is σ = 1581032142. Its totient is φ = 527010712.

The previous prime is 1054021373. The next prime is 1054021427. The reversal of 1054021426 is 6241204501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 709956025 + 344065401 = 26645^2 + 18549^2 .

It is a super-2 number, since 2×1054021426² = 2221922332934146952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054021426.

It is not an unprimeable number, because it can be changed into a prime (1054021427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263505355 + ... + 263505358.

Almost surely, 2^1054021426 is an apocalyptic number.

1054021426 is a deficient number, since it is larger than the sum of its proper divisors (527010716).

1054021426 is an equidigital number, since it uses as much as digits as its factorization.

1054021426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527010715.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1054021426 is about 32465.6961422360. The cubic root of 1054021426 is about 1017.6922792613.

Adding to 1054021426 its reverse (6241204501), we get a palindrome (7295225927).

The spelling of 1054021426 in words is "one billion, fifty-four million, twenty-one thousand, four hundred twenty-six".