1228260 has 48 divisors (see below), whose sum is σ = 3753792. Its totient is φ = 297600.

The previous prime is 1228247. The next prime is 1228273. The reversal of 1228260 is 628221.

It is an interprime number because it is at equal distance from previous prime (1228247) and next prime (1228273).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (78204).

2^1228260 is an apocalyptic number.

1228260 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 1228260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876896).

1228260 is an abundant number, since it is smaller than the sum of its proper divisors (2525532).

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

1228260 is a wasteful number, since it uses less digits than its factorization.

1228260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1228260 is about 1108.2689204340. The cubic root of 1228260 is about 107.0935798795.

The spelling of 1228260 in words is "one million, two hundred twenty-eight thousand, two hundred sixty".