1217130 has 32 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 313152.

The previous prime is 1217119. The next prime is 1217131. The reversal of 1217130 is 317121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1217131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2^1217130 is an apocalyptic number.

1217130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1217130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1512000).

1217130 is an abundant number, since it is smaller than the sum of its proper divisors (1806870).

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

1217130 is a wasteful number, since it uses less digits than its factorization.

1217130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1217130 is about 1103.2361487914. The cubic root of 1217130 is about 106.7691181455.

Subtracting from 1217130 its reverse (317121), we obtain a palindrome (900009).

The spelling of 1217130 in words is "one million, two hundred seventeen thousand, one hundred thirty".