10421236 has 24 divisors (see below), whose sum is σ = 20948480. Its totient is φ = 4443552.

The previous prime is 10421233. The next prime is 10421251. The reversal of 10421236 is 63212401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5410 + ... + 7078.

Almost surely, 2^10421236 is an apocalyptic number.

It is an amenable number.

10421236 is an abundant number, since it is smaller than the sum of its proper divisors (10527244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10421236 is a wasteful number, since it uses less digits than its factorization.

10421236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 10421236 is about 3228.1939223039. The cubic root of 10421236 is about 218.4270449586.

Adding to 10421236 its reverse (63212401), we get a palindrome (73633637).

It can be divided in two parts, 1042 and 1236, that added together give a triangular number (2278 = T₆₇).

The spelling of 10421236 in words is "ten million, four hundred twenty-one thousand, two hundred thirty-six".