1011020124 has 24 divisors (see below), whose sum is σ = 2497814928. Its totient is φ = 317182720.

The previous prime is 1011020123. The next prime is 1011020137. The reversal of 1011020124 is 4210201101.

It is a happy number.

1011020124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1011020124² = 2044323382265950752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011020123) 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, 2477787 + ... + 2478194.

It is an arithmetic number, because the mean of its divisors is an integer number (104075622).

Almost surely, 2^1011020124 is an apocalyptic number.

It is an amenable number.

1011020124 is an abundant number, since it is smaller than the sum of its proper divisors (1486794804).

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

1011020124 is a wasteful number, since it uses less digits than its factorization.

1011020124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956005 (or 4956003 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1011020124 is about 31796.5426422434. The cubic root of 1011020124 is about 1003.6599629954.

Adding to 1011020124 its reverse (4210201101), we get a palindrome (5221221225).

The spelling of 1011020124 in words is "one billion, eleven million, twenty thousand, one hundred twenty-four".