1254220 has 24 divisors (see below), whose sum is σ = 2873808. Its totient is φ = 456000.

The previous prime is 1254217. The next prime is 1254241. The reversal of 1254220 is 224521.

It is a junction number, because it is equal to n+sod(n) for n = 1254194 and 1254203.

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, 2631 + ... + 3070.

It is an arithmetic number, because the mean of its divisors is an integer number (119742).

2^1254220 is an apocalyptic number.

1254220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254220 is an abundant number, since it is smaller than the sum of its proper divisors (1619588).

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

1254220 is a wasteful number, since it uses less digits than its factorization.

1254220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721 (or 5719 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1254220 is about 1119.9196399742. The cubic root of 1254220 is about 107.8428211993.

Adding to 1254220 its reverse (224521), we get a palindrome (1478741).

The spelling of 1254220 in words is "one million, two hundred fifty-four thousand, two hundred twenty".