1287272234 has 8 divisors (see below), whose sum is σ = 2014860960. Its totient is φ = 615651916.

The previous prime is 1287272221. The next prime is 1287272243. The reversal of 1287272234 is 4322727821.

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

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, 13992044 + ... + 13992135.

It is an arithmetic number, because the mean of its divisors is an integer number (251857620).

Almost surely, 2^1287272234 is an apocalyptic number.

1287272234 is a deficient number, since it is larger than the sum of its proper divisors (727588726).

1287272234 is a wasteful number, since it uses less digits than its factorization.

1287272234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27984204.

The product of its digits is 75264, while the sum is 38.

The square root of 1287272234 is about 35878.5762538036. The cubic root of 1287272234 is about 1087.8194022662.

The spelling of 1287272234 in words is "one billion, two hundred eighty-seven million, two hundred seventy-two thousand, two hundred thirty-four".