1071620120 has 16 divisors (see below), whose sum is σ = 2411145360. Its totient is φ = 428648032.

The previous prime is 1071620057. The next prime is 1071620131. The reversal of 1071620120 is 210261701.

It is a super-2 number, since 2×1071620120² = 2296739363177628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1071620092 and 1071620101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13395212 + ... + 13395291.

It is an arithmetic number, because the mean of its divisors is an integer number (150696585).

Almost surely, 2^1071620120 is an apocalyptic number.

1071620120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071620120 is an abundant number, since it is smaller than the sum of its proper divisors (1339525240).

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

1071620120 is a wasteful number, since it uses less digits than its factorization.

1071620120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26790514 (or 26790510 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1071620120 is about 32735.6093573955. The cubic root of 1071620120 is about 1023.3250837245.

Adding to 1071620120 its reverse (210261701), we get a palindrome (1281881821).

The spelling of 1071620120 in words is "one billion, seventy-one million, six hundred twenty thousand, one hundred twenty".