1142420000 has 90 divisors (see below), whose sum is σ = 2822333283. Its totient is φ = 455056000.

The previous prime is 1142419981. The next prime is 1142420021. The reversal of 1142420000 is 242411.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 264127504 + 878292496 = 16252^2 + 29636^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23900.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4779881 + ... + 4780119.

Almost surely, 2^1142420000 is an apocalyptic number.

1142420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142420000

1142420000 is an abundant number, since it is smaller than the sum of its proper divisors (1679913283).

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

1142420000 is an frugal number, since it uses more digits than its factorization.

1142420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1142420000 is about 33799.7041407170. The cubic root of 1142420000 is about 1045.3825968702.

Adding to 1142420000 its reverse (242411), we get a palindrome (1142662411).

The spelling of 1142420000 in words is "one billion, one hundred forty-two million, four hundred twenty thousand".