1051322123 has 16 divisors (see below), whose sum is σ = 1117519200. Its totient is φ = 987275520.

The previous prime is 1051322119. The next prime is 1051322137. The reversal of 1051322123 is 3212231501.

It is a cyclic number.

It is not a de Polignac number, because 1051322123 - 2² = 1051322119 is a prime.

It is a super-2 number, since 2×1051322123² = 2210556412618454258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051322095 and 1051322104.

It is not an unprimeable number, because it can be changed into a prime (1051322183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449465 + ... + 451797.

It is an arithmetic number, because the mean of its divisors is an integer number (69844950).

Almost surely, 2^1051322123 is an apocalyptic number.

1051322123 is a deficient number, since it is larger than the sum of its proper divisors (66197077).

1051322123 is a wasteful number, since it uses less digits than its factorization.

1051322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1051322123 is about 32424.0978748831. The cubic root of 1051322123 is about 1016.8227813775.

Adding to 1051322123 its reverse (3212231501), we get a palindrome (4263553624).

The spelling of 1051322123 in words is "one billion, fifty-one million, three hundred twenty-two thousand, one hundred twenty-three".