1020152329 has 4 divisors (see below), whose sum is σ = 1165888384. Its totient is φ = 874416276.

The previous prime is 1020152257. The next prime is 1020152347. The reversal of 1020152329 is 9232510201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020152329 - 2⁹ = 1020151817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020152369) 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, 72868017 + ... + 72868030.

It is an arithmetic number, because the mean of its divisors is an integer number (291472096).

Almost surely, 2^1020152329 is an apocalyptic number.

It is an amenable number.

1020152329 is a deficient number, since it is larger than the sum of its proper divisors (145736055).

1020152329 is an equidigital number, since it uses as much as digits as its factorization.

1020152329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145736054.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1020152329 is about 31939.8235593123. The cubic root of 1020152329 is about 1006.6728174680.

The spelling of 1020152329 in words is "one billion, twenty million, one hundred fifty-two thousand, three hundred twenty-nine".