125953099 has 4 divisors (see below), whose sum is σ = 127833064. Its totient is φ = 124073136.

The previous prime is 125953073. The next prime is 125953103. The reversal of 125953099 is 990359521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990359521 = 929 ⋅1066049.

It is a cyclic number.

It is not a de Polignac number, because 125953099 - 2⁷ = 125952971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125953039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939882 + ... + 940015.

It is an arithmetic number, because the mean of its divisors is an integer number (31958266).

Almost surely, 2^125953099 is an apocalyptic number.

125953099 is a deficient number, since it is larger than the sum of its proper divisors (1879965).

125953099 is an equidigital number, since it uses as much as digits as its factorization.

125953099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879964.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 125953099 is about 11222.8828292912. The cubic root of 125953099 is about 501.2675824207.

The spelling of 125953099 in words is "one hundred twenty-five million, nine hundred fifty-three thousand, ninety-nine".