125001265099 has 8 divisors (see below), whose sum is σ = 130745937312. Its totient is φ = 119282412480.

The previous prime is 125001265097. The next prime is 125001265111. The reversal of 125001265099 is 990562100521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125001265099 - 2¹ = 125001265097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125001265091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6444994 + ... + 6464359.

It is an arithmetic number, because the mean of its divisors is an integer number (16343242164).

Almost surely, 2^125001265099 is an apocalyptic number.

125001265099 is a deficient number, since it is larger than the sum of its proper divisors (5744672213).

125001265099 is a wasteful number, since it uses less digits than its factorization.

125001265099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12909797.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 125001265099 in words is "one hundred twenty-five billion, one million, two hundred sixty-five thousand, ninety-nine".