1142610660 has 72 divisors (see below), whose sum is σ = 3486764736. Its totient is φ = 302863680.

The previous prime is 1142610649. The next prime is 1142610661. The reversal of 1142610660 is 660162411.

1142610660 is a `hidden beast` number, since 1 + 1 + 42 + 610 + 6 + 6 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1142610661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11055 + ... + 49065.

It is an arithmetic number, because the mean of its divisors is an integer number (48427288).

Almost surely, 2^1142610660 is an apocalyptic number.

1142610660 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 1142610660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743382368).

1142610660 is an abundant number, since it is smaller than the sum of its proper divisors (2344154076).

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

1142610660 is a wasteful number, since it uses less digits than its factorization.

1142610660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38193 (or 38188 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1142610660 is about 33802.5244619392. The cubic root of 1142610660 is about 1045.4407487347.

The spelling of 1142610660 in words is "one billion, one hundred forty-two million, six hundred ten thousand, six hundred sixty".