1234542272 has 28 divisors (see below), whose sum is σ = 2460808896. Its totient is φ = 614496000.

The previous prime is 1234542269. The next prime is 1234542299. The reversal of 1234542272 is 2722454321.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28979 + ... + 57522.

It is an arithmetic number, because the mean of its divisors is an integer number (87886032).

Almost surely, 2^1234542272 is an apocalyptic number.

It is an amenable number.

1234542272 is a deficient number, since it is larger than the sum of its proper divisors (1226266624).

1234542272 is an equidigital number, since it uses as much as digits as its factorization.

1234542272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86736 (or 86726 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 1234542272 is about 35136.0537340208. The cubic root of 1234542272 is about 1072.7585594176.

Adding to 1234542272 its reverse (2722454321), we get a palindrome (3956996593).

The spelling of 1234542272 in words is "one billion, two hundred thirty-four million, five hundred forty-two thousand, two hundred seventy-two".