1142674120 has 96 divisors (see below), whose sum is σ = 3009545280. Its totient is φ = 389316480.

The previous prime is 1142674111. The next prime is 1142674121. The reversal of 1142674120 is 214762411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1142674121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325575 + ... + 329065.

It is an arithmetic number, because the mean of its divisors is an integer number (31349430).

Almost surely, 2^1142674120 is an apocalyptic number.

1142674120 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 1142674120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504772640).

1142674120 is an abundant number, since it is smaller than the sum of its proper divisors (1866871160).

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

1142674120 is a wasteful number, since it uses less digits than its factorization.

1142674120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3672 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1142674120 is about 33803.4631361936. The cubic root of 1142674120 is about 1045.4601027877.

The spelling of 1142674120 in words is "one billion, one hundred forty-two million, six hundred seventy-four thousand, one hundred twenty".