1011054120 has 64 divisors (see below), whose sum is σ = 3078457920. Its totient is φ = 265588224.

The previous prime is 1011054103. The next prime is 1011054127. The reversal of 1011054120 is 214501101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1011054120.

It is not an unprimeable number, because it can be changed into a prime (1011054127) 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, 54837 + ... + 70916.

It is an arithmetic number, because the mean of its divisors is an integer number (48100905).

Almost surely, 2^1011054120 is an apocalyptic number.

1011054120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011054120 is an abundant number, since it is smaller than the sum of its proper divisors (2067403800).

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

1011054120 is a wasteful number, since it uses less digits than its factorization.

1011054120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125834 (or 125830 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1011054120 is about 31797.0772241727. The cubic root of 1011054120 is about 1003.6712123731.

Adding to 1011054120 its reverse (214501101), we get a palindrome (1225555221).

The spelling of 1011054120 in words is "one billion, eleven million, fifty-four thousand, one hundred twenty".