424121287 has 8 divisors (see below), whose sum is σ = 472705200. Its totient is φ = 378163584.

The previous prime is 424121267. The next prime is 424121293. The reversal of 424121287 is 782121424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424121287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424121237) 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, 656212 + ... + 656857.

It is an arithmetic number, because the mean of its divisors is an integer number (59088150).

Almost surely, 2^424121287 is an apocalyptic number.

424121287 is a deficient number, since it is larger than the sum of its proper divisors (48583913).

424121287 is a wasteful number, since it uses less digits than its factorization.

424121287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313105.

The product of its digits is 7168, while the sum is 31.

The square root of 424121287 is about 20594.2051800986. The cubic root of 424121287 is about 751.3287774474.

The spelling of 424121287 in words is "four hundred twenty-four million, one hundred twenty-one thousand, two hundred eighty-seven".