1301428529 has 4 divisors (see below), whose sum is σ = 1308171876. Its totient is φ = 1294685184.

The previous prime is 1301428511. The next prime is 1301428547. The reversal of 1301428529 is 9258241031.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1301428511) and next prime (1301428547).

It can be written as a sum of positive squares in 2 ways, for example, as 787363600 + 514064929 = 28060^2 + 22673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301428529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301428589) 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, 3371384 + ... + 3371769.

It is an arithmetic number, because the mean of its divisors is an integer number (327042969).

Almost surely, 2^1301428529 is an apocalyptic number.

It is an amenable number.

1301428529 is a deficient number, since it is larger than the sum of its proper divisors (6743347).

1301428529 is an equidigital number, since it uses as much as digits as its factorization.

1301428529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743346.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1301428529 is about 36075.3174483607. The cubic root of 1301428529 is about 1091.7925024599.

The spelling of 1301428529 in words is "one billion, three hundred one million, four hundred twenty-eight thousand, five hundred twenty-nine".