125993587 has 2 divisors, whose sum is σ = 125993588. Its totient is φ = 125993586.

The previous prime is 125993521. The next prime is 125993597. The reversal of 125993587 is 785399521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125993587 - 2⁷ = 125993459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125993587.

It is not a weakly prime, because it can be changed into another prime (125993507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62996793 + 62996794.

It is an arithmetic number, because the mean of its divisors is an integer number (62996794).

Almost surely, 2^125993587 is an apocalyptic number.

125993587 is a deficient number, since it is larger than the sum of its proper divisors (1).

125993587 is an equidigital number, since it uses as much as digits as its factorization.

125993587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 49.

The square root of 125993587 is about 11224.6864989629. The cubic root of 125993587 is about 501.3212879872.

The spelling of 125993587 in words is "one hundred twenty-five million, nine hundred ninety-three thousand, five hundred eighty-seven".