1140064 has 24 divisors (see below), whose sum is σ = 2343600. Its totient is φ = 544896.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140064 is 4600411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39 + ... + 1510.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2^1140064 is an apocalyptic number.

It is an amenable number.

1140064 is an abundant number, since it is smaller than the sum of its proper divisors (1203536).

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

1140064 is a wasteful number, since it uses less digits than its factorization.

1140064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1140064 is about 1067.7377955285. The cubic root of 1140064 is about 104.4663475349.

Adding to 1140064 its reverse (4600411), we get a palindrome (5740475).

The spelling of 1140064 in words is "one million, one hundred forty thousand, sixty-four".