1154412 has 60 divisors (see below), whose sum is σ = 3455760. Its totient is φ = 329184.

The previous prime is 1154411. The next prime is 1154431. The reversal of 1154412 is 2144511.

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

It is not an unprimeable number, because it can be changed into a prime (1154411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2014 + ... + 2522.

It is an arithmetic number, because the mean of its divisors is an integer number (57596).

2^1154412 is an apocalyptic number.

1154412 is a gapful number since it is divisible by the number (12) 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 1154412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727880).

1154412 is an abundant number, since it is smaller than the sum of its proper divisors (2301348).

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

1154412 is a wasteful number, since it uses less digits than its factorization.

1154412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 521 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 1154412 is about 1074.4356658265. The cubic root of 1154412 is about 104.9027671304.

Adding to 1154412 its reverse (2144511), we get a palindrome (3298923).

Subtracting 1154412 from its reverse (2144511), we obtain a palindrome (990099).

The spelling of 1154412 in words is "one million, one hundred fifty-four thousand, four hundred twelve".