1240164 has 24 divisors (see below), whose sum is σ = 3215520. Its totient is φ = 413352.

The previous prime is 1240159. The next prime is 1240181. The reversal of 1240164 is 4610421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5634 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (133980).

2^1240164 is an apocalyptic number.

It is an amenable number.

1240164 is an abundant number, since it is smaller than the sum of its proper divisors (1975356).

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

1240164 is a wasteful number, since it uses less digits than its factorization.

1240164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11496 (or 11488 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1240164 is about 1113.6265083052. The cubic root of 1240164 is about 107.4384432148.

Adding to 1240164 its reverse (4610421), we get a palindrome (5850585).

The spelling of 1240164 in words is "one million, two hundred forty thousand, one hundred sixty-four".