1341021029 has 4 divisors (see below), whose sum is σ = 1341164160. Its totient is φ = 1340877900.

The previous prime is 1341020977. The next prime is 1341021041. The reversal of 1341021029 is 9201201431.

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 1341021029 - 2¹⁶ = 1340955493 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 = 1341020995 and 1341021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341021079) 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, 56447 + ... + 76604.

It is an arithmetic number, because the mean of its divisors is an integer number (335291040).

Almost surely, 2^1341021029 is an apocalyptic number.

It is an amenable number.

1341021029 is a deficient number, since it is larger than the sum of its proper divisors (143131).

1341021029 is a wasteful number, since it uses less digits than its factorization.

1341021029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143130.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1341021029 is about 36619.9539732097. The cubic root of 1341021029 is about 1102.7537147111.

The spelling of 1341021029 in words is "one billion, three hundred forty-one million, twenty-one thousand, twenty-nine".