125201540987 has 2 divisors, whose sum is σ = 125201540988. Its totient is φ = 125201540986.

The previous prime is 125201540951. The next prime is 125201541013. The reversal of 125201540987 is 789045102521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125201540987 - 2⁸ = 125201540731 is a prime.

It is not a weakly prime, because it can be changed into another prime (125201540927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62600770493 + 62600770494.

It is an arithmetic number, because the mean of its divisors is an integer number (62600770494).

Almost surely, 2^125201540987 is an apocalyptic number.

125201540987 is a deficient number, since it is larger than the sum of its proper divisors (1).

125201540987 is an equidigital number, since it uses as much as digits as its factorization.

125201540987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 125201540987 in words is "one hundred twenty-five billion, two hundred one million, five hundred forty thousand, nine hundred eighty-seven".