1227140 has 12 divisors (see below), whose sum is σ = 2577036. Its totient is φ = 490848.

The previous prime is 1227133. The next prime is 1227143. The reversal of 1227140 is 417221.

It can be written as a sum of positive squares in 2 ways, for example, as 857476 + 369664 = 926^2 + 608^2 .

It is not an unprimeable number, because it can be changed into a prime (1227143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30659 + ... + 30698.

It is an arithmetic number, because the mean of its divisors is an integer number (214753).

2^1227140 is an apocalyptic number.

1227140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1227140 is an abundant number, since it is smaller than the sum of its proper divisors (1349896).

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

1227140 is a wasteful number, since it uses less digits than its factorization.

1227140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61366 (or 61364 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1227140 is about 1107.7635126687. The cubic root of 1227140 is about 107.0610185636.

The spelling of 1227140 in words is "one million, two hundred twenty-seven thousand, one hundred forty".