1142960 has 80 divisors (see below), whose sum is σ = 3291456. Its totient is φ = 359424.

The previous prime is 1142959. The next prime is 1142969. The reversal of 1142960 is 692411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142969) 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, 7202 + ... + 7358.

2^1142960 is an apocalyptic number.

1142960 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 1142960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645728).

1142960 is an abundant number, since it is smaller than the sum of its proper divisors (2148496).

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

1142960 is a wasteful number, since it uses less digits than its factorization.

1142960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1142960 is about 1069.0930735909. The cubic root of 1142960 is about 104.5547281686.

The spelling of 1142960 in words is "one million, one hundred forty-two thousand, nine hundred sixty".