1301034021 has 32 divisors (see below), whose sum is σ = 2108291328. Its totient is φ = 696668160.

The previous prime is 1301034019. The next prime is 1301034043. The reversal of 1301034021 is 1204301031.

It is not a de Polignac number, because 1301034021 - 2¹ = 1301034019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301034011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75361 + ... + 91001.

It is an arithmetic number, because the mean of its divisors is an integer number (65884104).

Almost surely, 2^1301034021 is an apocalyptic number.

It is an amenable number.

1301034021 is a deficient number, since it is larger than the sum of its proper divisors (807257307).

1301034021 is a wasteful number, since it uses less digits than its factorization.

1301034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15901.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1301034021 is about 36069.8491956925. The cubic root of 1301034021 is about 1091.6821712875.

Adding to 1301034021 its reverse (1204301031), we get a palindrome (2505335052).

The spelling of 1301034021 in words is "one billion, three hundred one million, thirty-four thousand, twenty-one".