1051433140 has 24 divisors (see below), whose sum is σ = 2208902472. Its totient is φ = 420403200.

The previous prime is 1051433111. The next prime is 1051433143. The reversal of 1051433140 is 413341501.

It can be written as a sum of positive squares in 4 ways, for example, as 148791204 + 902641936 = 12198^2 + 30044^2 .

It is a super-2 number, since 2×1051433140² = 2211023295780519200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051433143) 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 in 7 ways as a sum of consecutive naturals, for example, 47940 + ... + 66340.

It is an arithmetic number, because the mean of its divisors is an integer number (92037603).

Almost surely, 2^1051433140 is an apocalyptic number.

1051433140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051433140 is an abundant number, since it is smaller than the sum of its proper divisors (1157469332).

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

1051433140 is a wasteful number, since it uses less digits than its factorization.

1051433140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21267 (or 21265 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1051433140 is about 32425.8097817156. The cubic root of 1051433140 is about 1016.8585714362.

Adding to 1051433140 its reverse (413341501), we get a palindrome (1464774641).

The spelling of 1051433140 in words is "one billion, fifty-one million, four hundred thirty-three thousand, one hundred forty".