1120641020 has 24 divisors (see below), whose sum is σ = 2491779024. Its totient is φ = 421888256.

The previous prime is 1120641019. The next prime is 1120641023. The reversal of 1120641020 is 201460211.

It is a super-3 number, since 3×1120641020³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1120641020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120641023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647662 + ... + 1648341.

It is an arithmetic number, because the mean of its divisors is an integer number (103824126).

Almost surely, 2^1120641020 is an apocalyptic number.

1120641020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120641020 is an abundant number, since it is smaller than the sum of its proper divisors (1371138004).

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

1120641020 is a wasteful number, since it uses less digits than its factorization.

1120641020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296029 (or 3296027 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1120641020 is about 33475.9767594614. The cubic root of 1120641020 is about 1038.6969071418.

The spelling of 1120641020 in words is "one billion, one hundred twenty million, six hundred forty-one thousand, twenty".