1228038487 has 8 divisors (see below), whose sum is σ = 1322799296. Its totient is φ = 1133320032.

The previous prime is 1228038463. The next prime is 1228038491. The reversal of 1228038487 is 7848308221.

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

It is not a de Polignac number, because 1228038487 - 2⁷ = 1228038359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228038407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75778 + ... + 90544.

It is an arithmetic number, because the mean of its divisors is an integer number (165349912).

Almost surely, 2^1228038487 is an apocalyptic number.

1228038487 is a deficient number, since it is larger than the sum of its proper divisors (94760809).

1228038487 is a wasteful number, since it uses less digits than its factorization.

1228038487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21177.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 1228038487 is about 35043.3800738456. The cubic root of 1228038487 is about 1070.8714149067.

The spelling of 1228038487 in words is "one billion, two hundred twenty-eight million, thirty-eight thousand, four hundred eighty-seven".