1024210421 has 8 divisors (see below), whose sum is σ = 1128647520. Its totient is φ = 923437872.

The previous prime is 1024210403. The next prime is 1024210427. The reversal of 1024210421 is 1240124201.

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

It is a cyclic number.

It is not a de Polignac number, because 1024210421 - 2²² = 1020016117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1024210421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024210427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915551 + ... + 916668.

It is an arithmetic number, because the mean of its divisors is an integer number (141080940).

Almost surely, 2^1024210421 is an apocalyptic number.

It is an amenable number.

1024210421 is a deficient number, since it is larger than the sum of its proper divisors (104437099).

1024210421 is a wasteful number, since it uses less digits than its factorization.

1024210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832275.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1024210421 is about 32003.2876592390. The cubic root of 1024210421 is about 1008.0058752518.

Adding to 1024210421 its reverse (1240124201), we get a palindrome (2264334622).

The spelling of 1024210421 in words is "one billion, twenty-four million, two hundred ten thousand, four hundred twenty-one".