1027797120 has 512 divisors, whose sum is σ = 4318272000. Its totient is φ = 226050048.

The previous prime is 1027797119. The next prime is 1027797131. The reversal of 1027797120 is 217977201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3507694 + ... + 3507986.

It is an arithmetic number, because the mean of its divisors is an integer number (8434125).

Almost surely, 2^1027797120 is an apocalyptic number.

1027797120 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 1027797120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159136000).

1027797120 is an abundant number, since it is smaller than the sum of its proper divisors (3290474880).

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

1027797120 is a wasteful number, since it uses less digits than its factorization.

1027797120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 1027797120 is about 32059.2751009751. The cubic root of 1027797120 is about 1009.1811550870.

The spelling of 1027797120 in words is "one billion, twenty-seven million, seven hundred ninety-seven thousand, one hundred twenty".