1142431130 has 16 divisors (see below), whose sum is σ = 2074576104. Its totient is φ = 452928000.

The previous prime is 1142431117. The next prime is 1142431139. The reversal of 1142431130 is 311342411.

It can be written as a sum of positive squares in 4 ways, for example, as 669412129 + 473019001 = 25873^2 + 21749^2 .

It is not an unprimeable number, because it can be changed into a prime (1142431139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504371 + ... + 506630.

Almost surely, 2^1142431130 is an apocalyptic number.

1142431130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142431130 is a deficient number, since it is larger than the sum of its proper divisors (932144974).

1142431130 is a wasteful number, since it uses less digits than its factorization.

1142431130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011121.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1142431130 is about 33799.8687867276. The cubic root of 1142431130 is about 1045.3859917310.

Adding to 1142431130 its reverse (311342411), we get a palindrome (1453773541).

The spelling of 1142431130 in words is "one billion, one hundred forty-two million, four hundred thirty-one thousand, one hundred thirty".