124020422151397 has 2 divisors, whose sum is σ = 124020422151398. Its totient is φ = 124020422151396.

The previous prime is 124020422151391. The next prime is 124020422151433. The reversal of 124020422151397 is 793151224020421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99640044504196 + 24380377647201 = 9981986^2 + 4937649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124020422151397 is a prime.

It is a super-3 number, since 3×124020422151397³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124020422151391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62010211075698 + 62010211075699.

It is an arithmetic number, because the mean of its divisors is an integer number (62010211075699).

Almost surely, 2^{124020422151397} is an apocalyptic number.

It is an amenable number.

124020422151397 is a deficient number, since it is larger than the sum of its proper divisors (1).

124020422151397 is an equidigital number, since it uses as much as digits as its factorization.

124020422151397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 124020422151397 in words is "one hundred twenty-four trillion, twenty billion, four hundred twenty-two million, one hundred fifty-one thousand, three hundred ninety-seven".