64126061 has 4 divisors (see below), whose sum is σ = 64451772. Its totient is φ = 63800352.

The previous prime is 64126019. The next prime is 64126079. The reversal of 64126061 is 16062146.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50324836 + 13801225 = 7094^2 + 3715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64126061 is a prime.

It is a super-2 number, since 2×64126061² = 8224303398751442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64126061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64126861) 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, 162560 + ... + 162953.

It is an arithmetic number, because the mean of its divisors is an integer number (16112943).

Almost surely, 2^64126061 is an apocalyptic number.

It is an amenable number.

64126061 is a deficient number, since it is larger than the sum of its proper divisors (325711).

64126061 is a wasteful number, since it uses less digits than its factorization.

64126061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325710.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 64126061 is about 8007.8749365859. The cubic root of 64126061 is about 400.2624548393.

The spelling of 64126061 in words is "sixty-four million, one hundred twenty-six thousand, sixty-one".