1142320430 has 16 divisors (see below), whose sum is σ = 2099926080. Its totient is φ = 447206112.

The previous prime is 1142320427. The next prime is 1142320433. The reversal of 1142320430 is 340232411.

It is an interprime number because it is at equal distance from previous prime (1142320427) and next prime (1142320433).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142320433) 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, 1214765 + ... + 1215704.

It is an arithmetic number, because the mean of its divisors is an integer number (131245380).

Almost surely, 2^1142320430 is an apocalyptic number.

1142320430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142320430 is a deficient number, since it is larger than the sum of its proper divisors (957605650).

1142320430 is a wasteful number, since it uses less digits than its factorization.

1142320430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430523.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1142320430 is about 33798.2311667342. The cubic root of 1142320430 is about 1045.3522251536.

Adding to 1142320430 its reverse (340232411), we get a palindrome (1482552841).

The spelling of 1142320430 in words is "one billion, one hundred forty-two million, three hundred twenty thousand, four hundred thirty".