1142160 has 40 divisors (see below), whose sum is σ = 3541440. Its totient is φ = 304512.

The previous prime is 1142159. The next prime is 1142161. The reversal of 1142160 is 612411.

It is an interprime number because it is at equal distance from previous prime (1142159) and next prime (1142161).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (88536).

2^1142160 is an apocalyptic number.

1142160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142160 is an abundant number, since it is smaller than the sum of its proper divisors (2399280).

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

1142160 is a wasteful number, since it uses less digits than its factorization.

1142160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4769 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1142160 is about 1068.7188591954. The cubic root of 1142160 is about 104.5303285672.

Adding to 1142160 its reverse (612411), we get a palindrome (1754571).

The spelling of 1142160 in words is "one million, one hundred forty-two thousand, one hundred sixty".