1234021011 has 8 divisors (see below), whose sum is σ = 1657199040. Its totient is φ = 816761832.

The previous prime is 1234020947. The next prime is 1234021031. The reversal of 1234021011 is 1101204321.

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

It is not a de Polignac number, because 1234021011 - 2⁶ = 1234020947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1234021031) 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, 1479225 + ... + 1480058.

It is an arithmetic number, because the mean of its divisors is an integer number (207149880).

Almost surely, 2^1234021011 is an apocalyptic number.

1234021011 is a deficient number, since it is larger than the sum of its proper divisors (423178029).

1234021011 is a wasteful number, since it uses less digits than its factorization.

1234021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959425.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1234021011 is about 35128.6351997911. The cubic root of 1234021011 is about 1072.6075544844.

Adding to 1234021011 its reverse (1101204321), we get a palindrome (2335225332).

The spelling of 1234021011 in words is "one billion, two hundred thirty-four million, twenty-one thousand, eleven".