1052021454 has 64 divisors (see below), whose sum is σ = 2343382272. Its totient is φ = 312192000.

The previous prime is 1052021447. The next prime is 1052021461. The reversal of 1052021454 is 4541202501.

It is an interprime number because it is at equal distance from previous prime (1052021447) and next prime (1052021461).

It is a super-2 number, since 2×1052021454² = 2213498279352548232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 645789 + ... + 647415.

It is an arithmetic number, because the mean of its divisors is an integer number (36615348).

Almost surely, 2^1052021454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052021454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1171691136).

1052021454 is an abundant number, since it is smaller than the sum of its proper divisors (1291360818).

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

1052021454 is a wasteful number, since it uses less digits than its factorization.

1052021454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1052021454 is about 32434.8802063458. The cubic root of 1052021454 is about 1017.0481921765.

Adding to 1052021454 its reverse (4541202501), we get a palindrome (5593223955).

The spelling of 1052021454 in words is "one billion, fifty-two million, twenty-one thousand, four hundred fifty-four".