1142850120 has 128 divisors (see below), whose sum is σ = 3539289600. Its totient is φ = 295059456.

The previous prime is 1142850101. The next prime is 1142850139. The reversal of 1142850120 is 210582411.

It is an interprime number because it is at equal distance from previous prime (1142850101) and next prime (1142850139).

It is a super-2 number, since 2×1142850120² = 2612212793568028800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546036 + ... + 548124.

It is an arithmetic number, because the mean of its divisors is an integer number (27650700).

Almost surely, 2^1142850120 is an apocalyptic number.

1142850120 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 1142850120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769644800).

1142850120 is an abundant number, since it is smaller than the sum of its proper divisors (2396439480).

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

1142850120 is a wasteful number, since it uses less digits than its factorization.

1142850120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 1142850120 is about 33806.0663195232. The cubic root of 1142850120 is about 1045.5137755799.

The spelling of 1142850120 in words is "one billion, one hundred forty-two million, eight hundred fifty thousand, one hundred twenty".