1073421011 has 8 divisors (see below), whose sum is σ = 1156853040. Its totient is φ = 990112032.

The previous prime is 1073421007. The next prime is 1073421049. The reversal of 1073421011 is 1101243701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1073421011 - 2² = 1073421007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073421001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12221 + ... + 47918.

It is an arithmetic number, because the mean of its divisors is an integer number (144606630).

Almost surely, 2^1073421011 is an apocalyptic number.

1073421011 is a deficient number, since it is larger than the sum of its proper divisors (83432029).

1073421011 is a wasteful number, since it uses less digits than its factorization.

1073421011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61525.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1073421011 is about 32763.1044164011. The cubic root of 1073421011 is about 1023.8980061352.

Adding to 1073421011 its reverse (1101243701), we get a palindrome (2174664712).

The spelling of 1073421011 in words is "one billion, seventy-three million, four hundred twenty-one thousand, eleven".