1050531121 has 4 divisors (see below), whose sum is σ = 1078923892. Its totient is φ = 1022138352.

The previous prime is 1050531107. The next prime is 1050531127. The reversal of 1050531121 is 1211350501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 983700496 + 66830625 = 31364^2 + 8175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050531121 - 2⁷ = 1050530993 is a prime.

It is a super-2 number, since 2×1050531121² = 2207231272379033282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050531127) 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, 14196330 + ... + 14196403.

It is an arithmetic number, because the mean of its divisors is an integer number (269730973).

Almost surely, 2^1050531121 is an apocalyptic number.

It is an amenable number.

1050531121 is a deficient number, since it is larger than the sum of its proper divisors (28392771).

1050531121 is an equidigital number, since it uses as much as digits as its factorization.

1050531121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28392770.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1050531121 is about 32411.8978308892. The cubic root of 1050531121 is about 1016.5677023559.

Adding to 1050531121 its reverse (1211350501), we get a palindrome (2261881622).

The spelling of 1050531121 in words is "one billion, fifty million, five hundred thirty-one thousand, one hundred twenty-one".