125948499131 has 32 divisors (see below), whose sum is σ = 164204143488. Its totient is φ = 93748469760.

The previous prime is 125948499119. The next prime is 125948499221. The reversal of 125948499131 is 131994849521.

It is a cyclic number.

It is not a de Polignac number, because 125948499131 - 2¹⁸ = 125948236987 is a prime.

It is a super-2 number, since 2×125948499131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125948499931) 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, 3759551 + ... + 3792903.

It is an arithmetic number, because the mean of its divisors is an integer number (5131379484).

Almost surely, 2^125948499131 is an apocalyptic number.

125948499131 is a deficient number, since it is larger than the sum of its proper divisors (38255644357).

125948499131 is a wasteful number, since it uses less digits than its factorization.

125948499131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35831.

The product of its digits is 2799360, while the sum is 56.

The spelling of 125948499131 in words is "one hundred twenty-five billion, nine hundred forty-eight million, four hundred ninety-nine thousand, one hundred thirty-one".