1050401121 has 48 divisors (see below), whose sum is σ = 1771228032. Its totient is φ = 541981440.

The previous prime is 1050401113. The next prime is 1050401123. The reversal of 1050401121 is 1211040501.

It is a happy number.

It is not a de Polignac number, because 1050401121 - 2³ = 1050401113 is a prime.

It is a super-2 number, since 2×1050401121² = 2206685029996113282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1050401121.

It is not an unprimeable number, because it can be changed into a prime (1050401123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397621 + ... + 400253.

It is an arithmetic number, because the mean of its divisors is an integer number (36900584).

Almost surely, 2^1050401121 is an apocalyptic number.

1050401121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1050401121 is a deficient number, since it is larger than the sum of its proper divisors (720826911).

1050401121 is a wasteful number, since it uses less digits than its factorization.

1050401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822 (or 2811 counting only the distinct ones).

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

The square root of 1050401121 is about 32409.8923324346. The cubic root of 1050401121 is about 1016.5257682491.

Adding to 1050401121 its reverse (1211040501), we get a palindrome (2261441622).

The spelling of 1050401121 in words is "one billion, fifty million, four hundred one thousand, one hundred twenty-one".