1250420 has 24 divisors (see below), whose sum is σ = 2655744. Its totient is φ = 494496.

The previous prime is 1250413. The next prime is 1250437. The reversal of 1250420 is 240521.

1250420 is nontrivially palindromic in base 8.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1250395 and 1250404.

It is a congruent number.

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, 1757 + ... + 2363.

It is an arithmetic number, because the mean of its divisors is an integer number (110656).

2^1250420 is an apocalyptic number.

1250420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250420 is an abundant number, since it is smaller than the sum of its proper divisors (1405324).

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

1250420 is a wasteful number, since it uses less digits than its factorization.

1250420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1250420 is about 1118.2218026850. The cubic root of 1250420 is about 107.7337979848.

Adding to 1250420 its reverse (240521), we get a palindrome (1490941).

The spelling of 1250420 in words is "one million, two hundred fifty thousand, four hundred twenty".