1051443412 has 6 divisors (see below), whose sum is σ = 1840025978. Its totient is φ = 525721704.

The previous prime is 1051443409. The next prime is 1051443427. The reversal of 1051443412 is 2143441501.

It can be written as a sum of positive squares in only one way, i.e., 1021697296 + 29746116 = 31964^2 + 5454^2 .

It is a super-2 number, since 2×1051443412² = 2211066497276403488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131430423 + ... + 131430430.

Almost surely, 2^1051443412 is an apocalyptic number.

It is an amenable number.

1051443412 is a deficient number, since it is larger than the sum of its proper divisors (788582566).

1051443412 is a wasteful number, since it uses less digits than its factorization.

1051443412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262860857 (or 262860855 counting only the distinct ones).

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

The square root of 1051443412 is about 32425.9681736722. The cubic root of 1051443412 is about 1016.8618828331.

Adding to 1051443412 its reverse (2143441501), we get a palindrome (3194884913).

The spelling of 1051443412 in words is "one billion, fifty-one million, four hundred forty-three thousand, four hundred twelve".