64126461 has 32 divisors (see below), whose sum is σ = 103034880. Its totient is φ = 34683264.

The previous prime is 64126457. The next prime is 64126477. The reversal of 64126461 is 16462146.

It is not a de Polignac number, because 64126461 - 2² = 64126457 is a prime.

It is a super-2 number, since 2×64126461² = 8224406000769042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64126411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49105 + ... + 50393.

It is an arithmetic number, because the mean of its divisors is an integer number (3219840).

Almost surely, 2^64126461 is an apocalyptic number.

It is an amenable number.

64126461 is a deficient number, since it is larger than the sum of its proper divisors (38908419).

64126461 is a wasteful number, since it uses less digits than its factorization.

64126461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425.

The product of its digits is 6912, while the sum is 30.

The square root of 64126461 is about 8007.8999119619. The cubic root of 64126461 is about 400.2632870784.

The spelling of 64126461 in words is "sixty-four million, one hundred twenty-six thousand, four hundred sixty-one".