125891466 has 32 divisors (see below), whose sum is σ = 264660480. Its totient is φ = 39844464.

The previous prime is 125891461. The next prime is 125891497. The reversal of 125891466 is 664198521.

It is a super-2 number, since 2×125891466² = 31697322423258312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125891461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15901 + ... + 22463.

It is an arithmetic number, because the mean of its divisors is an integer number (8270640).

Almost surely, 2^125891466 is an apocalyptic number.

125891466 is an abundant number, since it is smaller than the sum of its proper divisors (138769014).

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

125891466 is a wasteful number, since it uses less digits than its factorization.

125891466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730.

The product of its digits is 103680, while the sum is 42.

The square root of 125891466 is about 11220.1366301841. The cubic root of 125891466 is about 501.1858068344.

The spelling of 125891466 in words is "one hundred twenty-five million, eight hundred ninety-one thousand, four hundred sixty-six".