1225160 has 32 divisors (see below), whose sum is σ = 2791800. Its totient is φ = 483840.

The previous prime is 1225157. The next prime is 1225183. The reversal of 1225160 is 615221.

It can be written as a sum of positive squares in 4 ways, for example, as 1136356 + 88804 = 1066^2 + 298^2 .

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, 4220 + ... + 4500.

2^1225160 is an apocalyptic number.

1225160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225160 is an abundant number, since it is smaller than the sum of its proper divisors (1566640).

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

1225160 is a wasteful number, since it uses less digits than its factorization.

1225160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1225160 is about 1106.8694593311. The cubic root of 1225160 is about 107.0034063026.

The spelling of 1225160 in words is "one million, two hundred twenty-five thousand, one hundred sixty".