124320272 has 10 divisors (see below), whose sum is σ = 240870558. Its totient is φ = 62160128.

The previous prime is 124320271. The next prime is 124320281. The reversal of 124320272 is 272023421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122235136 + 2085136 = 11056^2 + 1444^2 .

It is not an unprimeable number, because it can be changed into a prime (124320271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3884993 + ... + 3885024.

Almost surely, 2^124320272 is an apocalyptic number.

It is an amenable number.

124320272 is a deficient number, since it is larger than the sum of its proper divisors (116550286).

124320272 is an equidigital number, since it uses as much as digits as its factorization.

124320272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770025 (or 7770019 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 124320272 is about 11149.9000892385. The cubic root of 124320272 is about 499.0920482452.

Adding to 124320272 its reverse (272023421), we get a palindrome (396343693).

The spelling of 124320272 in words is "one hundred twenty-four million, three hundred twenty thousand, two hundred seventy-two".