1142114240 has 28 divisors (see below), whose sum is σ = 2719660296. Its totient is φ = 456845568.

The previous prime is 1142114209. The next prime is 1142114249. The reversal of 1142114240 is 424112411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142114249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1784234 + ... + 1784873.

Almost surely, 2^1142114240 is an apocalyptic number.

1142114240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142114240 is an abundant number, since it is smaller than the sum of its proper divisors (1577546056).

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

1142114240 is an equidigital number, since it uses as much as digits as its factorization.

1142114240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569124 (or 3569114 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1142114240 is about 33795.1807215171. The cubic root of 1142114240 is about 1045.2893256556.

Adding to 1142114240 its reverse (424112411), we get a palindrome (1566226651).

The spelling of 1142114240 in words is "one billion, one hundred forty-two million, one hundred fourteen thousand, two hundred forty".