124250261 has 2 divisors, whose sum is σ = 124250262. Its totient is φ = 124250260.

The previous prime is 124250257. The next prime is 124250303. The reversal of 124250261 is 162052421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112042225 + 12208036 = 10585^2 + 3494^2 .

It is a cyclic number.

It is not a de Polignac number, because 124250261 - 2² = 124250257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124250221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62125130 + 62125131.

It is an arithmetic number, because the mean of its divisors is an integer number (62125131).

Almost surely, 2^124250261 is an apocalyptic number.

It is an amenable number.

124250261 is a deficient number, since it is larger than the sum of its proper divisors (1).

124250261 is an equidigital number, since it uses as much as digits as its factorization.

124250261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 124250261 is about 11146.7601122479. The cubic root of 124250261 is about 498.9983427053.

The spelling of 124250261 in words is "one hundred twenty-four million, two hundred fifty thousand, two hundred sixty-one".