1074420 has 72 divisors (see below), whose sum is σ = 3354624. Its totient is φ = 278208.

The previous prime is 1074389. The next prime is 1074427. The reversal of 1074420 is 244701.

It is a happy number.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1074393 and 1074402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8397 + ... + 8523.

It is an arithmetic number, because the mean of its divisors is an integer number (46592).

2^1074420 is an apocalyptic number.

1074420 is a gapful number since it is divisible by the number (10) 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 1074420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677312).

1074420 is an abundant number, since it is smaller than the sum of its proper divisors (2280204).

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

1074420 is a wasteful number, since it uses less digits than its factorization.

1074420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1074420 is about 1036.5423290923. The cubic root of 1074420 is about 102.4215540972.

The spelling of 1074420 in words is "one million, seventy-four thousand, four hundred twenty".