1287413070 has 32 divisors (see below), whose sum is σ = 3090794112. Its totient is φ = 343198752.

The previous prime is 1287413053. The next prime is 1287413123. The reversal of 1287413070 is 703147821.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133429 + ... + 142751.

It is an arithmetic number, because the mean of its divisors is an integer number (96587316).

Almost surely, 2^1287413070 is an apocalyptic number.

1287413070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1287413070 is an abundant number, since it is smaller than the sum of its proper divisors (1803381042).

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

1287413070 is a wasteful number, since it uses less digits than its factorization.

1287413070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13936.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 1287413070 is about 35880.5388755520. The cubic root of 1287413070 is about 1087.8590723382.

The spelling of 1287413070 in words is "one billion, two hundred eighty-seven million, four hundred thirteen thousand, seventy".