1017087120 has 360 divisors, whose sum is σ = 4022313984. Its totient is φ = 229630464.

The previous prime is 1017087107. The next prime is 1017087121. The reversal of 1017087120 is 217807101.

It is a tau number, because it is divible by the number of its divisors (360).

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1017087121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4480447 + ... + 4480673.

Almost surely, 2^1017087120 is an apocalyptic number.

1017087120 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 1017087120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2011156992).

1017087120 is an abundant number, since it is smaller than the sum of its proper divisors (3005226864).

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

1017087120 is a wasteful number, since it uses less digits than its factorization.

1017087120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 1017087120 is about 31891.8033356535. The cubic root of 1017087120 is about 1005.6635700856.

The spelling of 1017087120 in words is "one billion, seventeen million, eighty-seven thousand, one hundred twenty".