1142501430 has 64 divisors (see below), whose sum is σ = 3141047808. Its totient is φ = 260532480.

The previous prime is 1142501419. The next prime is 1142501447. The reversal of 1142501430 is 341052411.

1142501430 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1142501397 and 1142501406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86890 + ... + 99170.

It is an arithmetic number, because the mean of its divisors is an integer number (49078872).

Almost surely, 2^1142501430 is an apocalyptic number.

1142501430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142501430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570523904).

1142501430 is an abundant number, since it is smaller than the sum of its proper divisors (1998546378).

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

1142501430 is a wasteful number, since it uses less digits than its factorization.

1142501430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12741.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1142501430 is about 33800.9087155952. The cubic root of 1142501430 is about 1045.4074340528.

Adding to 1142501430 its reverse (341052411), we get a palindrome (1483553841).

The spelling of 1142501430 in words is "one billion, one hundred forty-two million, five hundred one thousand, four hundred thirty".