126465001 has 16 divisors (see below), whose sum is σ = 140422464. Its totient is φ = 113137344.

The previous prime is 126464999. The next prime is 126465013. The reversal of 126465001 is 100564621.

It is a cyclic number.

It is not a de Polignac number, because 126465001 - 2¹ = 126464999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126465301) 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, 224346 + ... + 224908.

It is an arithmetic number, because the mean of its divisors is an integer number (8776404).

Almost surely, 2^126465001 is an apocalyptic number.

It is an amenable number.

126465001 is a deficient number, since it is larger than the sum of its proper divisors (13957463).

126465001 is a wasteful number, since it uses less digits than its factorization.

126465001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 126465001 is about 11245.6658762387. The cubic root of 126465001 is about 501.9457529357.

The spelling of 126465001 in words is "one hundred twenty-six million, four hundred sixty-five thousand, one".