1001120770 has 64 divisors (see below), whose sum is σ = 2036772864. Its totient is φ = 351521280.

The previous prime is 1001120753. The next prime is 1001120819. The reversal of 1001120770 is 770211001.

1001120770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1001120770² = 2004485592250785800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570214 + ... + 571966.

It is an arithmetic number, because the mean of its divisors is an integer number (31824576).

Almost surely, 2^1001120770 is an apocalyptic number.

1001120770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001120770 is an abundant number, since it is smaller than the sum of its proper divisors (1035652094).

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

1001120770 is a wasteful number, since it uses less digits than its factorization.

1001120770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 1001120770 is about 31640.4925688587. The cubic root of 1001120770 is about 1000.3734505173.

Adding to 1001120770 its reverse (770211001), we get a palindrome (1771331771).

It can be divided in two parts, 1001 and 120770, that added together give a triangular number (121771 = T₄₉₃).

The spelling of 1001120770 in words is "one billion, one million, one hundred twenty thousand, seven hundred seventy".