125744342501 has 2 divisors, whose sum is σ = 125744342502. Its totient is φ = 125744342500.

The previous prime is 125744342473. The next prime is 125744342653. The reversal of 125744342501 is 105243447521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95435273476 + 30309069025 = 308926^2 + 174095^2 .

It is a cyclic number.

It is not a de Polignac number, because 125744342501 - 2¹⁴ = 125744326117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125744942501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62872171250 + 62872171251.

It is an arithmetic number, because the mean of its divisors is an integer number (62872171251).

Almost surely, 2^125744342501 is an apocalyptic number.

It is an amenable number.

125744342501 is a deficient number, since it is larger than the sum of its proper divisors (1).

125744342501 is an equidigital number, since it uses as much as digits as its factorization.

125744342501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 125744342501 in words is "one hundred twenty-five billion, seven hundred forty-four million, three hundred forty-two thousand, five hundred one".