1430120142 has 48 divisors (see below), whose sum is σ = 3399252480. Its totient is φ = 430938000.

The previous prime is 1430120141. The next prime is 1430120143. The reversal of 1430120142 is 2410210341.

It is an interprime number because it is at equal distance from previous prime (1430120141) and next prime (1430120143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430120141) 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 23 ways as a sum of consecutive naturals, for example, 15267 + ... + 55617.

It is an arithmetic number, because the mean of its divisors is an integer number (70817760).

Almost surely, 2^1430120142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430120142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699626240).

1430120142 is an abundant number, since it is smaller than the sum of its proper divisors (1969132338).

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

1430120142 is a wasteful number, since it uses less digits than its factorization.

1430120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40549 (or 40546 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1430120142 is about 37816.9293042151. The cubic root of 1430120142 is about 1126.6547216774.

Adding to 1430120142 its reverse (2410210341), we get a palindrome (3840330483).

It can be divided in two parts, 14301 and 20142, that added together give a palindrome (34443).

The spelling of 1430120142 in words is "one billion, four hundred thirty million, one hundred twenty thousand, one hundred forty-two".