1142410220 has 48 divisors (see below), whose sum is σ = 2757162240. Its totient is φ = 389486784.

The previous prime is 1142410219. The next prime is 1142410229. The reversal of 1142410220 is 220142411.

It is a super-2 number, since 2×1142410220² = 2610202221520896800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142410229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2267 + ... + 47853.

It is an arithmetic number, because the mean of its divisors is an integer number (57440880).

Almost surely, 2^1142410220 is an apocalyptic number.

1142410220 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 1142410220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378581120).

1142410220 is an abundant number, since it is smaller than the sum of its proper divisors (1614752020).

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

1142410220 is a wasteful number, since it uses less digits than its factorization.

1142410220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45782 (or 45780 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1142410220 is about 33799.5594645847. The cubic root of 1142410220 is about 1045.3796137668.

Adding to 1142410220 its reverse (220142411), we get a palindrome (1362552631).

The spelling of 1142410220 in words is "one billion, one hundred forty-two million, four hundred ten thousand, two hundred twenty".