1041555120 has 80 divisors (see below), whose sum is σ = 3259077120. Its totient is φ = 275145472.

The previous prime is 1041555107. The next prime is 1041555121. The reversal of 1041555120 is 215551401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1041555121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5401 + ... + 45959.

It is an arithmetic number, because the mean of its divisors is an integer number (40738464).

Almost surely, 2^1041555120 is an apocalyptic number.

1041555120 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 1041555120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629538560).

1041555120 is an abundant number, since it is smaller than the sum of its proper divisors (2217522000).

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

1041555120 is a wasteful number, since it uses less digits than its factorization.

1041555120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40682 (or 40676 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1041555120 is about 32273.1330986008. The cubic root of 1041555120 is about 1013.6641473381.

The spelling of 1041555120 in words is "one billion, forty-one million, five hundred fifty-five thousand, one hundred twenty".