126570066 has 32 divisors (see below), whose sum is σ = 306322560. Its totient is φ = 34035456.

The previous prime is 126570061. The next prime is 126570071. The reversal of 126570066 is 660075621.

It is an interprime number because it is at equal distance from previous prime (126570061) and next prime (126570071).

It is not an unprimeable number, because it can be changed into a prime (126570061) 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, 87921 + ... + 89348.

It is an arithmetic number, because the mean of its divisors is an integer number (9572580).

Almost surely, 2^126570066 is an apocalyptic number.

126570066 is an abundant number, since it is smaller than the sum of its proper divisors (179752494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126570066 is a wasteful number, since it uses less digits than its factorization.

126570066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177298.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 126570066 is about 11250.3362616412. The cubic root of 126570066 is about 502.0847171617.

The spelling of 126570066 in words is "one hundred twenty-six million, five hundred seventy thousand, sixty-six".