124042397 has 2 divisors, whose sum is σ = 124042398. Its totient is φ = 124042396.

The previous prime is 124042379. The next prime is 124042409. The reversal of 124042397 is 793240421.

Together with previous prime (124042379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79673476 + 44368921 = 8926^2 + 6661^2 .

It is a cyclic number.

It is not a de Polignac number, because 124042397 - 2⁶ = 124042333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124042307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62021198 + 62021199.

It is an arithmetic number, because the mean of its divisors is an integer number (62021199).

Almost surely, 2^124042397 is an apocalyptic number.

It is an amenable number.

124042397 is a deficient number, since it is larger than the sum of its proper divisors (1).

124042397 is an equidigital number, since it uses as much as digits as its factorization.

124042397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 124042397 is about 11137.4322444628. The cubic root of 124042397 is about 498.7199215953.

The spelling of 124042397 in words is "one hundred twenty-four million, forty-two thousand, three hundred ninety-seven".