1051430140 has 12 divisors (see below), whose sum is σ = 2208003336. Its totient is φ = 420572048.

The previous prime is 1051430137. The next prime is 1051430141. The reversal of 1051430140 is 410341501.

It is a super-2 number, since 2×1051430140² = 2211010678600839200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051430141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26285734 + ... + 26285773.

It is an arithmetic number, because the mean of its divisors is an integer number (184000278).

Almost surely, 2^1051430140 is an apocalyptic number.

1051430140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051430140 is an abundant number, since it is smaller than the sum of its proper divisors (1156573196).

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

1051430140 is a wasteful number, since it uses less digits than its factorization.

1051430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52571516 (or 52571514 counting only the distinct ones).

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

The square root of 1051430140 is about 32425.7635222365. The cubic root of 1051430140 is about 1016.8576043186.

Adding to 1051430140 its reverse (410341501), we get a palindrome (1461771641).

The spelling of 1051430140 in words is "one billion, fifty-one million, four hundred thirty thousand, one hundred forty".