1228970 has 16 divisors (see below), whose sum is σ = 2250720. Its totient is φ = 483024.

The previous prime is 1228963. The next prime is 1228987. The reversal of 1228970 is 798221.

It is a happy 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, 452 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (140670).

2^1228970 is an apocalyptic number.

1228970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228970 is a deficient number, since it is larger than the sum of its proper divisors (1021750).

1228970 is a wasteful number, since it uses less digits than its factorization.

1228970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1228970 is about 1108.5891935248. The cubic root of 1228970 is about 107.1142111778.

It can be divided in two parts, 12 and 28970, that added together give a palindrome (28982).

The spelling of 1228970 in words is "one million, two hundred twenty-eight thousand, nine hundred seventy".