1227960 has 80 divisors (see below), whose sum is σ = 4138200. Its totient is φ = 326592.

The previous prime is 1227949. The next prime is 1227973. The reversal of 1227960 is 697221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3051 + ... + 3429.

2^1227960 is an apocalyptic number.

1227960 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 1227960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069100).

1227960 is an abundant number, since it is smaller than the sum of its proper divisors (2910240).

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

1227960 is a wasteful number, since it uses less digits than its factorization.

1227960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1227960 is about 1108.1335659567. The cubic root of 1227960 is about 107.0848600400.

It can be divided in two parts, 1227 and 960, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1227960 in words is "one million, two hundred twenty-seven thousand, nine hundred sixty".