124097521 has 2 divisors, whose sum is σ = 124097522. Its totient is φ = 124097520.

The previous prime is 124097497. The next prime is 124097543. The reversal of 124097521 is 125790421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124010496 + 87025 = 11136^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 124097521 - 2¹¹ = 124095473 is a prime.

It is a super-3 number, since 3×124097521³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (124097021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62048760 + 62048761.

It is an arithmetic number, because the mean of its divisors is an integer number (62048761).

Almost surely, 2^124097521 is an apocalyptic number.

It is an amenable number.

124097521 is a deficient number, since it is larger than the sum of its proper divisors (1).

124097521 is an equidigital number, since it uses as much as digits as its factorization.

124097521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 124097521 is about 11139.9066872214. The cubic root of 124097521 is about 498.7937871076.

It can be divided in two parts, 1240975 and 21, that added together give a square (1240996 = 1114²).

The spelling of 124097521 in words is "one hundred twenty-four million, ninety-seven thousand, five hundred twenty-one".