1013551120 has 40 divisors (see below), whose sum is σ = 2458967616. Its totient is φ = 387792768.

The previous prime is 1013551103. The next prime is 1013551211. The reversal of 1013551120 is 211553101.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273582 + ... + 277261.

Almost surely, 2^1013551120 is an apocalyptic number.

1013551120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013551120 is an abundant number, since it is smaller than the sum of its proper divisors (1445416496).

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

1013551120 is a wasteful number, since it uses less digits than its factorization.

1013551120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550879 (or 550873 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1013551120 is about 31836.3176262582. The cubic root of 1013551120 is about 1004.4967885824.

The spelling of 1013551120 in words is "one billion, thirteen million, five hundred fifty-one thousand, one hundred twenty".