1201424 has 40 divisors (see below), whose sum is σ = 2821248. Its totient is φ = 483840.

The previous prime is 1201381. The next prime is 1201439. The reversal of 1201424 is 4241021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1201399 and 1201408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1589 + ... + 2219.

2^1201424 is an apocalyptic number.

1201424 is a gapful number since it is divisible by the number (14) 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 1201424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410624).

1201424 is an abundant number, since it is smaller than the sum of its proper divisors (1619824).

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

1201424 is a wasteful number, since it uses less digits than its factorization.

1201424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1201424 is about 1096.0948864035. The cubic root of 1201424 is about 106.3078743525.

Adding to 1201424 its reverse (4241021), we get a palindrome (5442445).

The spelling of 1201424 in words is "one million, two hundred one thousand, four hundred twenty-four".