2051354122 has 4 divisors (see below), whose sum is σ = 3077031186. Its totient is φ = 1025677060.

The previous prime is 2051354099. The next prime is 2051354159. The reversal of 2051354122 is 2214531502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2214531502 = 2 ⋅1107265751.

It can be written as a sum of positive squares in only one way, i.e., 1894077441 + 157276681 = 43521^2 + 12541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512838529 + ... + 512838532.

Almost surely, 2^2051354122 is an apocalyptic number.

2051354122 is a deficient number, since it is larger than the sum of its proper divisors (1025677064).

2051354122 is a wasteful number, since it uses less digits than its factorization.

2051354122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025677063.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2051354122 is about 45291.8769979783. The cubic root of 2051354122 is about 1270.6137364678.

Adding to 2051354122 its reverse (2214531502), we get a palindrome (4265885624).

The spelling of 2051354122 in words is "two billion, fifty-one million, three hundred fifty-four thousand, one hundred twenty-two".