1012021124 has 12 divisors (see below), whose sum is σ = 1774153500. Its totient is φ = 505120128.

The previous prime is 1012021123. The next prime is 1012021189. The reversal of 1012021124 is 4211202101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46676224 + 965344900 = 6832^2 + 31070^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012021099 and 1012021108.

It is not an unprimeable number, because it can be changed into a prime (1012021123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220049 + ... + 224600.

It is an arithmetic number, because the mean of its divisors is an integer number (147846125).

Almost surely, 2^1012021124 is an apocalyptic number.

It is an amenable number.

1012021124 is a deficient number, since it is larger than the sum of its proper divisors (762132376).

1012021124 is a wasteful number, since it uses less digits than its factorization.

1012021124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445222 (or 445220 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1012021124 is about 31812.2794530665. The cubic root of 1012021124 is about 1003.9910913322.

Adding to 1012021124 its reverse (4211202101), we get a palindrome (5223223225).

The spelling of 1012021124 in words is "one billion, twelve million, twenty-one thousand, one hundred twenty-four".