1350426 has 64 divisors (see below), whose sum is σ = 3502080. Its totient is φ = 336960.

The previous prime is 1350403. The next prime is 1350449. The reversal of 1350426 is 6240531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1350403) and next prime (1350449).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17055 + ... + 17133.

It is an arithmetic number, because the mean of its divisors is an integer number (54720).

2^1350426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1350426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751040).

1350426 is an abundant number, since it is smaller than the sum of its proper divisors (2151654).

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

1350426 is a wasteful number, since it uses less digits than its factorization.

1350426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1350426 is about 1162.0783106142. The cubic root of 1350426 is about 110.5325689027.

Adding to 1350426 its reverse (6240531), we get a palindrome (7590957).

It can be divided in two parts, 13504 and 26, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 1350426 in words is "one million, three hundred fifty thousand, four hundred twenty-six".