126965099 has 4 divisors (see below), whose sum is σ = 127028136. Its totient is φ = 126902064.

The previous prime is 126965089. The next prime is 126965107. The reversal of 126965099 is 990569621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990569621 = 10667 ⋅92863.

It is a cyclic number.

It is not a de Polignac number, because 126965099 - 2⁸ = 126964843 is a prime.

It is a super-2 number, since 2×126965099² = 32240272728159602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126965009) 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, 28394 + ... + 32559.

It is an arithmetic number, because the mean of its divisors is an integer number (31757034).

Almost surely, 2^126965099 is an apocalyptic number.

126965099 is a deficient number, since it is larger than the sum of its proper divisors (63037).

126965099 is an equidigital number, since it uses as much as digits as its factorization.

126965099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63036.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 126965099 is about 11267.8790817083. The cubic root of 126965099 is about 502.6065204904.

The spelling of 126965099 in words is "one hundred twenty-six million, nine hundred sixty-five thousand, ninety-nine".