1217472960 has 336 divisors, whose sum is σ = 4358688768. Its totient is φ = 287569920.

The previous prime is 1217472947. The next prime is 1217472973. The reversal of 1217472960 is 692747121.

It is an interprime number because it is at equal distance from previous prime (1217472947) and next prime (1217472973).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5459409 + ... + 5459631.

It is an arithmetic number, because the mean of its divisors is an integer number (12972288).

Almost surely, 2^1217472960 is an apocalyptic number.

1217472960 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 1217472960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179344384).

1217472960 is an abundant number, since it is smaller than the sum of its proper divisors (3141215808).

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

1217472960 is a wasteful number, since it uses less digits than its factorization.

1217472960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 1217472960 is about 34892.3051689051. The cubic root of 1217472960 is about 1067.7914558654.

The spelling of 1217472960 in words is "one billion, two hundred seventeen million, four hundred seventy-two thousand, nine hundred sixty".