1021303129 has 12 divisors (see below), whose sum is σ = 1296051408. Its totient is φ = 795820200.

The previous prime is 1021303099. The next prime is 1021303133. The reversal of 1021303129 is 9213031201.

It is not a de Polignac number, because 1021303129 - 2⁷ = 1021303001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021303159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 946867 + ... + 947944.

It is an arithmetic number, because the mean of its divisors is an integer number (108004284).

Almost surely, 2^1021303129 is an apocalyptic number.

It is an amenable number.

1021303129 is a deficient number, since it is larger than the sum of its proper divisors (274748279).

1021303129 is a wasteful number, since it uses less digits than its factorization.

1021303129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894836 (or 1894829 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1021303129 is about 31957.8336093046. The cubic root of 1021303129 is about 1007.0512066243.

The spelling of 1021303129 in words is "one billion, twenty-one million, three hundred three thousand, one hundred twenty-nine".