124401263 has 16 divisors (see below), whose sum is σ = 144555840. Its totient is φ = 104856576.

The previous prime is 124401259. The next prime is 124401281. The reversal of 124401263 is 362104421.

It is a cyclic number.

It is not a de Polignac number, because 124401263 - 2² = 124401259 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 (124401283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144731 + ... + 145587.

It is an arithmetic number, because the mean of its divisors is an integer number (9034740).

Almost surely, 2^124401263 is an apocalyptic number.

124401263 is a deficient number, since it is larger than the sum of its proper divisors (20154577).

124401263 is an equidigital number, since it uses as much as digits as its factorization.

124401263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 124401263 is about 11153.5314138617. The cubic root of 124401263 is about 499.2004059804.

Adding to 124401263 its reverse (362104421), we get a palindrome (486505684).

The spelling of 124401263 in words is "one hundred twenty-four million, four hundred one thousand, two hundred sixty-three".