1302213029 has 4 divisors (see below), whose sum is σ = 1402383276. Its totient is φ = 1202042784.

The previous prime is 1302213019. The next prime is 1302213037. The reversal of 1302213029 is 9203122031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 861129025 + 441084004 = 29345^2 + 21002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302213029 - 2⁸ = 1302212773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1302212995 and 1302213013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302213019) 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, 50085104 + ... + 50085129.

It is an arithmetic number, because the mean of its divisors is an integer number (350595819).

Almost surely, 2^1302213029 is an apocalyptic number.

It is an amenable number.

1302213029 is a deficient number, since it is larger than the sum of its proper divisors (100170247).

1302213029 is a wasteful number, since it uses less digits than its factorization.

1302213029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100170246.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1302213029 is about 36086.1888954763. The cubic root of 1302213029 is about 1092.0118355889.

The spelling of 1302213029 in words is "one billion, three hundred two million, two hundred thirteen thousand, twenty-nine".