1234213279 has 16 divisors (see below), whose sum is σ = 1383080832. Its totient is φ = 1093966848.

The previous prime is 1234213249. The next prime is 1234213303. The reversal of 1234213279 is 9723124321.

It is not a de Polignac number, because 1234213279 - 2²³ = 1225824671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234213249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13327 + ... + 51439.

It is an arithmetic number, because the mean of its divisors is an integer number (86442552).

Almost surely, 2^1234213279 is an apocalyptic number.

1234213279 is a deficient number, since it is larger than the sum of its proper divisors (148867553).

1234213279 is a wasteful number, since it uses less digits than its factorization.

1234213279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38226.

The product of its digits is 18144, while the sum is 34.

The square root of 1234213279 is about 35131.3717210131. The cubic root of 1234213279 is about 1072.6632578579.

The spelling of 1234213279 in words is "one billion, two hundred thirty-four million, two hundred thirteen thousand, two hundred seventy-nine".