1140124146 has 64 divisors (see below), whose sum is σ = 2810142720. Its totient is φ = 301069440.

The previous prime is 1140124103. The next prime is 1140124157. The reversal of 1140124146 is 6414210411.

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, 15295 + ... + 50141.

It is an arithmetic number, because the mean of its divisors is an integer number (43908480).

Almost surely, 2^1140124146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140124146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405071360).

1140124146 is an abundant number, since it is smaller than the sum of its proper divisors (1670018574).

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

1140124146 is a wasteful number, since it uses less digits than its factorization.

1140124146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34919.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1140124146 is about 33765.7244258138. The cubic root of 1140124146 is about 1044.6818460204.

Adding to 1140124146 its reverse (6414210411), we get a palindrome (7554334557).

The spelling of 1140124146 in words is "one billion, one hundred forty million, one hundred twenty-four thousand, one hundred forty-six".