124455397 has 6 divisors (see below), whose sum is σ = 136798214. Its totient is φ = 113141160.

The previous prime is 124455361. The next prime is 124455407. The reversal of 124455397 is 793554421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 124411716 + 43681 = 11154^2 + 209^2 .

It is not a de Polignac number, because 124455397 - 2¹¹ = 124453349 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 (124455497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 514158 + ... + 514399.

Almost surely, 2^124455397 is an apocalyptic number.

It is an amenable number.

124455397 is a deficient number, since it is larger than the sum of its proper divisors (12342817).

124455397 is a wasteful number, since it uses less digits than its factorization.

124455397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028579 (or 1028568 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 124455397 is about 11155.9579149439. The cubic root of 124455397 is about 499.2728055559.

The spelling of 124455397 in words is "one hundred twenty-four million, four hundred fifty-five thousand, three hundred ninety-seven".