1024145421 has 16 divisors (see below), whose sum is σ = 1471391040. Its totient is φ = 629890560.

The previous prime is 1024145413. The next prime is 1024145443. The reversal of 1024145421 is 1245414201.

It is not a de Polignac number, because 1024145421 - 2³ = 1024145413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1024145391 and 1024145400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024145321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74850 + ... + 87468.

It is an arithmetic number, because the mean of its divisors is an integer number (91961940).

Almost surely, 2^1024145421 is an apocalyptic number.

It is an amenable number.

1024145421 is a deficient number, since it is larger than the sum of its proper divisors (447245619).

1024145421 is a wasteful number, since it uses less digits than its factorization.

1024145421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14716.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1024145421 is about 32002.2721224603. The cubic root of 1024145421 is about 1007.9845509332.

Adding to 1024145421 its reverse (1245414201), we get a palindrome (2269559622).

The spelling of 1024145421 in words is "one billion, twenty-four million, one hundred forty-five thousand, four hundred twenty-one".