1262560542 has 8 divisors (see below), whose sum is σ = 2525121096. Its totient is φ = 420853512.

The previous prime is 1262560531. The next prime is 1262560543. The reversal of 1262560542 is 2450652621.

It is a sphenic number, since it is the product of 3 distinct primes.

1262560542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1262560543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105213373 + ... + 105213384.

It is an arithmetic number, because the mean of its divisors is an integer number (315640137).

Almost surely, 2^1262560542 is an apocalyptic number.

1262560542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1262560542 is a wasteful number, since it uses less digits than its factorization.

1262560542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210426762.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1262560542 is about 35532.5279427175. The cubic root of 1262560542 is about 1080.8134423843.

The spelling of 1262560542 in words is "one billion, two hundred sixty-two million, five hundred sixty thousand, five hundred forty-two".