1051121 has 4 divisors (see below), whose sum is σ = 1053552. Its totient is φ = 1048692.

The previous prime is 1051081. The next prime is 1051139. The reversal of 1051121 is 1211501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051121 is a prime.

It is a super-2 number, since 2×1051121² = 2209710713282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051151) 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, 371 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (263388).

2^1051121 is an apocalyptic number.

It is an amenable number.

1051121 is a deficient number, since it is larger than the sum of its proper divisors (2431).

1051121 is an equidigital number, since it uses as much as digits as its factorization.

1051121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1051121 is about 1025.2419226700. The cubic root of 1051121 is about 101.6757936206.

Adding to 1051121 its reverse (1211501), we get a palindrome (2262622).

The spelling of 1051121 in words is "one million, fifty-one thousand, one hundred twenty-one".