1021357672 has 16 divisors (see below), whose sum is σ = 1959582240. Its totient is φ = 498802416.

The previous prime is 1021357621. The next prime is 1021357703. The reversal of 1021357672 is 2767531201.

1021357672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484188 + ... + 1484875.

It is an arithmetic number, because the mean of its divisors is an integer number (122473890).

Almost surely, 2^1021357672 is an apocalyptic number.

It is an amenable number.

1021357672 is a deficient number, since it is larger than the sum of its proper divisors (938224568).

1021357672 is a wasteful number, since it uses less digits than its factorization.

1021357672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969112 (or 2969108 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 1021357672 is about 31958.6869567572. The cubic root of 1021357672 is about 1007.0691335958.

Adding to 1021357672 its reverse (2767531201), we get a palindrome (3788888873).

The spelling of 1021357672 in words is "one billion, twenty-one million, three hundred fifty-seven thousand, six hundred seventy-two".