1001490120 has 96 divisors (see below), whose sum is σ = 3316318200. Its totient is φ = 262020096.

The previous prime is 1001490109. The next prime is 1001490121. The reversal of 1001490120 is 210941001.

1001490120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 742344516 + 259145604 = 27246^2 + 16098^2 .

It is a super-2 number, since 2×1001490120² = 2005964920915228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1001490093 and 1001490102.

It is not an unprimeable number, because it can be changed into a prime (1001490121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7165 + ... + 45324.

Almost surely, 2^1001490120 is an apocalyptic number.

1001490120 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 1001490120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658159100).

1001490120 is an abundant number, since it is smaller than the sum of its proper divisors (2314828080).

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

1001490120 is a wasteful number, since it uses less digits than its factorization.

1001490120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52559 (or 52552 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1001490120 is about 31646.3286970227. The cubic root of 1001490120 is about 1000.4964601532.

The spelling of 1001490120 in words is "one billion, one million, four hundred ninety thousand, one hundred twenty".