10420587 has 12 divisors (see below), whose sum is σ = 15706704. Its totient is φ = 6644880.

The previous prime is 10420583. The next prime is 10420591. The reversal of 10420587 is 78502401.

10420587 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10420583) and next prime (10420591).

It is not a de Polignac number, because 10420587 - 2² = 10420583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10420587.

It is not an unprimeable number, because it can be changed into a prime (10420583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24964 + ... + 25377.

It is an arithmetic number, because the mean of its divisors is an integer number (1308892).

Almost surely, 2^10420587 is an apocalyptic number.

10420587 is a deficient number, since it is larger than the sum of its proper divisors (5286117).

10420587 is a wasteful number, since it uses less digits than its factorization.

10420587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50370 (or 50367 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 10420587 is about 3228.0934001358. The cubic root of 10420587 is about 218.4225105606.

Adding to 10420587 its reverse (78502401), we get a palindrome (88922988).

The spelling of 10420587 in words is "ten million, four hundred twenty thousand, five hundred eighty-seven".