1011023121 has 8 divisors (see below), whose sum is σ = 1406640960. Its totient is φ = 644710352.

The previous prime is 1011023093. The next prime is 1011023129. The reversal of 1011023121 is 1213201101.

1011023121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011023121 - 2²³ = 1002634513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011023097 and 1011023106.

It is not an unprimeable number, because it can be changed into a prime (1011023129) 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, 7326186 + ... + 7326323.

It is an arithmetic number, because the mean of its divisors is an integer number (175830120).

Almost surely, 2^1011023121 is an apocalyptic number.

It is an amenable number.

1011023121 is a deficient number, since it is larger than the sum of its proper divisors (395617839).

1011023121 is a wasteful number, since it uses less digits than its factorization.

1011023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14652535.

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

The square root of 1011023121 is about 31796.5897699738. The cubic root of 1011023121 is about 1003.6609547218.

Adding to 1011023121 its reverse (1213201101), we get a palindrome (2224224222).

The spelling of 1011023121 in words is "one billion, eleven million, twenty-three thousand, one hundred twenty-one".