287430122 has 8 divisors (see below), whose sum is σ = 492737376. Its totient is φ = 123184332.

The previous prime is 287430071. The next prime is 287430133. The reversal of 287430122 is 221034782.

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, 10265348 + ... + 10265375.

It is an arithmetic number, because the mean of its divisors is an integer number (61592172).

Almost surely, 2^287430122 is an apocalyptic number.

287430122 is a deficient number, since it is larger than the sum of its proper divisors (205307254).

287430122 is a wasteful number, since it uses less digits than its factorization.

287430122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20530732.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 287430122 is about 16953.7642427869. The cubic root of 287430122 is about 659.9495844563.

The spelling of 287430122 in words is "two hundred eighty-seven million, four hundred thirty thousand, one hundred twenty-two".