124623901 has 2 divisors, whose sum is σ = 124623902. Its totient is φ = 124623900.

The previous prime is 124623899. The next prime is 124623911. The reversal of 124623901 is 109326421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124322500 + 301401 = 11150^2 + 549^2 .

It is a cyclic number.

It is not a de Polignac number, because 124623901 - 2¹ = 124623899 is a prime.

It is a super-2 number, since 2×124623901² = 31062233400915602, which contains 22 as substring.

Together with 124623899, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124623901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124623911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62311950 + 62311951.

It is an arithmetic number, because the mean of its divisors is an integer number (62311951).

Almost surely, 2^124623901 is an apocalyptic number.

It is an amenable number.

124623901 is a deficient number, since it is larger than the sum of its proper divisors (1).

124623901 is an equidigital number, since it uses as much as digits as its factorization.

124623901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 124623901 is about 11163.5075581109. The cubic root of 124623901 is about 499.4980308893.

The spelling of 124623901 in words is "one hundred twenty-four million, six hundred twenty-three thousand, nine hundred one".