1021005152 has 24 divisors (see below), whose sum is σ = 2032695000. Its totient is φ = 504765184.

The previous prime is 1021005151. The next prime is 1021005163. The reversal of 1021005152 is 2515001201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021005152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021005151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176402 + ... + 182097.

It is an arithmetic number, because the mean of its divisors is an integer number (84695625).

Almost surely, 2^1021005152 is an apocalyptic number.

It is an amenable number.

1021005152 is a deficient number, since it is larger than the sum of its proper divisors (1011689848).

1021005152 is an equidigital number, since it uses as much as digits as its factorization.

1021005152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358598 (or 358590 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1021005152 is about 31953.1712354189. The cubic root of 1021005152 is about 1006.9532574855.

Adding to 1021005152 its reverse (2515001201), we get a palindrome (3536006353).

The spelling of 1021005152 in words is "one billion, twenty-one million, five thousand, one hundred fifty-two".