125148912087 has 32 divisors (see below), whose sum is σ = 177722071488. Its totient is φ = 78062616576.

The previous prime is 125148912041. The next prime is 125148912101. The reversal of 125148912087 is 780219841521.

It is a happy number.

It is not a de Polignac number, because 125148912087 - 2⁸ = 125148911831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125148912487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17251153 + ... + 17258405.

It is an arithmetic number, because the mean of its divisors is an integer number (5553814734).

Almost surely, 2^125148912087 is an apocalyptic number.

125148912087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125148912087 is a deficient number, since it is larger than the sum of its proper divisors (52573159401).

125148912087 is a wasteful number, since it uses less digits than its factorization.

125148912087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 125148912087 in words is "one hundred twenty-five billion, one hundred forty-eight million, nine hundred twelve thousand, eighty-seven".