1345122040 has 32 divisors (see below), whose sum is σ = 3056499360. Its totient is φ = 532720000.

The previous prime is 1345122029. The next prime is 1345122071. The reversal of 1345122040 is 402215431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162436 + ... + 170515.

It is an arithmetic number, because the mean of its divisors is an integer number (95515605).

Almost surely, 2^1345122040 is an apocalyptic number.

1345122040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345122040 is an abundant number, since it is smaller than the sum of its proper divisors (1711377320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345122040 is a wasteful number, since it uses less digits than its factorization.

1345122040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333063 (or 333059 counting only the distinct ones).

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

The square root of 1345122040 is about 36675.9054421292. The cubic root of 1345122040 is about 1103.8766906140.

Adding to 1345122040 its reverse (402215431), we get a palindrome (1747337471).

The spelling of 1345122040 in words is "one billion, three hundred forty-five million, one hundred twenty-two thousand, forty".