1021954532 has 24 divisors (see below), whose sum is σ = 1800338400. Its totient is φ = 507584000.

The previous prime is 1021954529. The next prime is 1021954553. The reversal of 1021954532 is 2354591201.

It is an unprimeable number.

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, 449663 + ... + 451929.

It is an arithmetic number, because the mean of its divisors is an integer number (75014100).

Almost surely, 2^1021954532 is an apocalyptic number.

It is an amenable number.

1021954532 is a deficient number, since it is larger than the sum of its proper divisors (778383868).

1021954532 is a wasteful number, since it uses less digits than its factorization.

1021954532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1021954532 is about 31968.0235860774. The cubic root of 1021954532 is about 1007.2652654216.

The spelling of 1021954532 in words is "one billion, twenty-one million, nine hundred fifty-four thousand, five hundred thirty-two".