126668465 has 16 divisors (see below), whose sum is σ = 189509760. Its totient is φ = 78961920.

The previous prime is 126668461. The next prime is 126668467. The reversal of 126668465 is 564866621.

It is not a de Polignac number, because 126668465 - 2² = 126668461 is a prime.

It is a super-3 number, since 3×126668465³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126668461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164120 + ... + 164889.

It is an arithmetic number, because the mean of its divisors is an integer number (11844360).

Almost surely, 2^126668465 is an apocalyptic number.

It is an amenable number.

126668465 is a deficient number, since it is larger than the sum of its proper divisors (62841295).

126668465 is a wasteful number, since it uses less digits than its factorization.

126668465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329032.

The product of its digits is 414720, while the sum is 44.

The square root of 126668465 is about 11254.7085701941. The cubic root of 126668465 is about 502.2147948816.

The spelling of 126668465 in words is "one hundred twenty-six million, six hundred sixty-eight thousand, four hundred sixty-five".