1340223124 has 12 divisors (see below), whose sum is σ = 2421048448. Its totient is φ = 648495000.

The previous prime is 1340223107. The next prime is 1340223149. The reversal of 1340223124 is 4213220431.

It is a junction number, because it is equal to n+sod(n) for n = 1340223095 and 1340223104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5404002 + ... + 5404249.

Almost surely, 2^1340223124 is an apocalyptic number.

It is an amenable number.

1340223124 is a deficient number, since it is larger than the sum of its proper divisors (1080825324).

1340223124 is a wasteful number, since it uses less digits than its factorization.

1340223124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10808286 (or 10808284 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1340223124 is about 36609.0579501850. The cubic root of 1340223124 is about 1102.5349591875.

Adding to 1340223124 its reverse (4213220431), we get a palindrome (5553443555).

The spelling of 1340223124 in words is "one billion, three hundred forty million, two hundred twenty-three thousand, one hundred twenty-four".