1340504122 has 4 divisors (see below), whose sum is σ = 2010756186. Its totient is φ = 670252060.

The previous prime is 1340504107. The next prime is 1340504129. The reversal of 1340504122 is 2214050431.

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

It can be written as a sum of positive squares in only one way, i.e., 1322704161 + 17799961 = 36369^2 + 4219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1340504093 and 1340504102.

It is not an unprimeable number, because it can be changed into a prime (1340504129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335126029 + ... + 335126032.

Almost surely, 2^1340504122 is an apocalyptic number.

1340504122 is a deficient number, since it is larger than the sum of its proper divisors (670252064).

1340504122 is an equidigital number, since it uses as much as digits as its factorization.

1340504122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670252063.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1340504122 is about 36612.8955697306. The cubic root of 1340504122 is about 1102.6120081662.

Adding to 1340504122 its reverse (2214050431), we get a palindrome (3554554553).

The spelling of 1340504122 in words is "one billion, three hundred forty million, five hundred four thousand, one hundred twenty-two".