1021424312 has 32 divisors (see below), whose sum is σ = 2000872800. Its totient is φ = 488208000.

The previous prime is 1021424303. The next prime is 1021424317. The reversal of 1021424312 is 2134241201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021424317) 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, 1637 + ... + 45227.

It is an arithmetic number, because the mean of its divisors is an integer number (62527275).

Almost surely, 2^1021424312 is an apocalyptic number.

It is an amenable number.

1021424312 is a deficient number, since it is larger than the sum of its proper divisors (979448488).

1021424312 is a wasteful number, since it uses less digits than its factorization.

1021424312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43727 (or 43723 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1021424312 is about 31959.7295357767. The cubic root of 1021424312 is about 1007.0910356938.

Adding to 1021424312 its reverse (2134241201), we get a palindrome (3155665513).

The spelling of 1021424312 in words is "one billion, twenty-one million, four hundred twenty-four thousand, three hundred twelve".