1051115120 has 40 divisors (see below), whose sum is σ = 2666012400. Its totient is φ = 382223360.

The previous prime is 1051115089. The next prime is 1051115123. The reversal of 1051115120 is 215111501.

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

It is a super-3 number, since 3×1051115120³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051115123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596345 + ... + 598104.

It is an arithmetic number, because the mean of its divisors is an integer number (66650310).

Almost surely, 2^1051115120 is an apocalyptic number.

1051115120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051115120 is an abundant number, since it is smaller than the sum of its proper divisors (1614897280).

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

1051115120 is a wasteful number, since it uses less digits than its factorization.

1051115120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194473 (or 1194467 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 1051115120 is about 32420.9056011704. The cubic root of 1051115120 is about 1016.7560402783.

Adding to 1051115120 its reverse (215111501), we get a palindrome (1266226621).

The spelling of 1051115120 in words is "one billion, fifty-one million, one hundred fifteen thousand, one hundred twenty".