1340122424 has 8 divisors (see below), whose sum is σ = 2512729560. Its totient is φ = 670061208.

The previous prime is 1340122423. The next prime is 1340122457. The reversal of 1340122424 is 4242210431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1340122424² = 3591856222615271552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1340122424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340122423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83757644 + ... + 83757659.

It is an arithmetic number, because the mean of its divisors is an integer number (314091195).

Almost surely, 2^1340122424 is an apocalyptic number.

It is an amenable number.

1340122424 is a deficient number, since it is larger than the sum of its proper divisors (1172607136).

1340122424 is a wasteful number, since it uses less digits than its factorization.

1340122424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167515309 (or 167515305 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1340122424 is about 36607.6825816658. The cubic root of 1340122424 is about 1102.5073448674.

Adding to 1340122424 its reverse (4242210431), we get a palindrome (5582332855).

The spelling of 1340122424 in words is "one billion, three hundred forty million, one hundred twenty-two thousand, four hundred twenty-four".