125502493 has 2 divisors, whose sum is σ = 125502494. Its totient is φ = 125502492.

The previous prime is 125502473. The next prime is 125502527. The reversal of 125502493 is 394205521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125484804 + 17689 = 11202^2 + 133^2 .

It is a cyclic number.

It is not a de Polignac number, because 125502493 - 2²¹ = 123405341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125502413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62751246 + 62751247.

It is an arithmetic number, because the mean of its divisors is an integer number (62751247).

Almost surely, 2^125502493 is an apocalyptic number.

It is an amenable number.

125502493 is a deficient number, since it is larger than the sum of its proper divisors (1).

125502493 is an equidigital number, since it uses as much as digits as its factorization.

125502493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 125502493 is about 11202.7895186869. The cubic root of 125502493 is about 500.6690948913.

The spelling of 125502493 in words is "one hundred twenty-five million, five hundred two thousand, four hundred ninety-three".