1340124122 has 4 divisors (see below), whose sum is σ = 2010186186. Its totient is φ = 670062060.

The previous prime is 1340124103. The next prime is 1340124139. The reversal of 1340124122 is 2214210431.

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., 1051769761 + 288354361 = 32431^2 + 16981^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1340124094 and 1340124103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335031029 + ... + 335031032.

Almost surely, 2^1340124122 is an apocalyptic number.

1340124122 is a deficient number, since it is larger than the sum of its proper divisors (670062064).

1340124122 is an equidigital number, since it uses as much as digits as its factorization.

1340124122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670062063.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1340124122 is about 36607.7057735117. The cubic root of 1340124122 is about 1102.5078105106.

Adding to 1340124122 its reverse (2214210431), we get a palindrome (3554334553).

The spelling of 1340124122 in words is "one billion, three hundred forty million, one hundred twenty-four thousand, one hundred twenty-two".