1011424121 has 8 divisors (see below), whose sum is σ = 1037306088. Its totient is φ = 985600000.

The previous prime is 1011424111. The next prime is 1011424133. The reversal of 1011424121 is 1214241101.

It can be written as a sum of positive squares in 4 ways, for example, as 883600 + 1010540521 = 940^2 + 31789^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011424121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011424121.

It is not an unprimeable number, because it can be changed into a prime (1011424111) 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, 22121 + ... + 50121.

It is an arithmetic number, because the mean of its divisors is an integer number (129663261).

Almost surely, 2^1011424121 is an apocalyptic number.

It is an amenable number.

1011424121 is a deficient number, since it is larger than the sum of its proper divisors (25881967).

1011424121 is an equidigital number, since it uses as much as digits as its factorization.

1011424121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28923.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1011424121 is about 31802.8948525130. The cubic root of 1011424121 is about 1003.7936305021.

Adding to 1011424121 its reverse (1214241101), we get a palindrome (2225665222).

The spelling of 1011424121 in words is "one billion, eleven million, four hundred twenty-four thousand, one hundred twenty-one".