1217976130 has 16 divisors (see below), whose sum is σ = 2505551040. Its totient is φ = 417591792.

The previous prime is 1217976127. The next prime is 1217976139. The reversal of 1217976130 is 316797121.

It is a self number, because there is not a number n which added to its sum of digits gives 1217976130.

It is not an unprimeable number, because it can be changed into a prime (1217976139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8699760 + ... + 8699899.

It is an arithmetic number, because the mean of its divisors is an integer number (156596940).

Almost surely, 2^1217976130 is an apocalyptic number.

1217976130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1217976130 is an abundant number, since it is smaller than the sum of its proper divisors (1287574910).

1217976130 is a wasteful number, since it uses less digits than its factorization.

1217976130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17399673.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 1217976130 is about 34899.5147530736. The cubic root of 1217976130 is about 1067.9385382904.

The spelling of 1217976130 in words is "one billion, two hundred seventeen million, nine hundred seventy-six thousand, one hundred thirty".