1342780872 has 32 divisors (see below), whose sum is σ = 3465242880. Its totient is φ = 433154880.

The previous prime is 1342780849. The next prime is 1342780877. The reversal of 1342780872 is 2780872431.

It is not an unprimeable number, because it can be changed into a prime (1342780877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901663 + ... + 903150.

It is an arithmetic number, because the mean of its divisors is an integer number (108288840).

Almost surely, 2^1342780872 is an apocalyptic number.

1342780872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1342780872 is an abundant number, since it is smaller than the sum of its proper divisors (2122462008).

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

1342780872 is a wasteful number, since it uses less digits than its factorization.

1342780872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804853 (or 1804849 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 1342780872 is about 36643.9745660866. The cubic root of 1342780872 is about 1103.2358908680.

The spelling of 1342780872 in words is "one billion, three hundred forty-two million, seven hundred eighty thousand, eight hundred seventy-two".