1217260 has 36 divisors (see below), whose sum is σ = 2815344. Its totient is φ = 441760.

The previous prime is 1217233. The next prime is 1217261. The reversal of 1217260 is 627121.

It is not an unprimeable number, because it can be changed into a prime (1217261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2169 + ... + 2671.

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

2^1217260 is an apocalyptic number.

1217260 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 1217260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407672).

1217260 is an abundant number, since it is smaller than the sum of its proper divisors (1598084).

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

1217260 is a wasteful number, since it uses less digits than its factorization.

1217260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1217260 is about 1103.2950647945. The cubic root of 1217260 is about 106.7729192983.

It can be divided in two parts, 121 and 7260, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 1217260 in words is "one million, two hundred seventeen thousand, two hundred sixty".