1011051240 has 32 divisors (see below), whose sum is σ = 3033154080. Its totient is φ = 269613632.

The previous prime is 1011051229. The next prime is 1011051257. The reversal of 1011051240 is 421501101.

It is a happy number.

1011051240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4212594 + ... + 4212833.

It is an arithmetic number, because the mean of its divisors is an integer number (94786065).

Almost surely, 2^1011051240 is an apocalyptic number.

1011051240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011051240 is an abundant number, since it is smaller than the sum of its proper divisors (2022102840).

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

1011051240 is a wasteful number, since it uses less digits than its factorization.

1011051240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425441 (or 8425437 counting only the distinct ones).

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

The square root of 1011051240 is about 31797.0319369591. The cubic root of 1011051240 is about 1003.6702593823.

Adding to 1011051240 its reverse (421501101), we get a palindrome (1432552341).

The spelling of 1011051240 in words is "one billion, eleven million, fifty-one thousand, two hundred forty".