125668099 has 4 divisors (see below), whose sum is σ = 125783136. Its totient is φ = 125553064.

The previous prime is 125668087. The next prime is 125668111. The reversal of 125668099 is 990866521.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (125668087) and next prime (125668111).

It is a cyclic number.

It is not a de Polignac number, because 125668099 - 2¹⁵ = 125635331 is a prime.

It is a super-2 number, since 2×125668099² = 31584942212547602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125668019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55864 + ... + 58069.

It is an arithmetic number, because the mean of its divisors is an integer number (31445784).

Almost surely, 2^125668099 is an apocalyptic number.

125668099 is a deficient number, since it is larger than the sum of its proper divisors (115037).

125668099 is a wasteful number, since it uses less digits than its factorization.

125668099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115036.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 125668099 is about 11210.1783661100. The cubic root of 125668099 is about 500.8892163179.

The spelling of 125668099 in words is "one hundred twenty-five million, six hundred sixty-eight thousand, ninety-nine".