1272234004 has 24 divisors (see below), whose sum is σ = 2249067240. Its totient is φ = 629658624.

The previous prime is 1272233993. The next prime is 1272234037. The reversal of 1272234004 is 4004322721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22752900 + 1249481104 = 4770^2 + 35348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1272234004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481872 + ... + 484504.

It is an arithmetic number, because the mean of its divisors is an integer number (93711135).

Almost surely, 2^1272234004 is an apocalyptic number.

It is an amenable number.

1272234004 is a deficient number, since it is larger than the sum of its proper divisors (976833236).

1272234004 is a wasteful number, since it uses less digits than its factorization.

1272234004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819 (or 3817 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1272234004 is about 35668.3894225685. The cubic root of 1272234004 is about 1083.5667411136.

Adding to 1272234004 its reverse (4004322721), we get a palindrome (5276556725).

The spelling of 1272234004 in words is "one billion, two hundred seventy-two million, two hundred thirty-four thousand, four".