125212664 has 16 divisors (see below), whose sum is σ = 235107600. Its totient is φ = 62517312.

The previous prime is 125212663. The next prime is 125212697. The reversal of 125212664 is 466212521.

It is a super-2 number, since 2×125212664² = 31356422451953792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125212663) 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, 4949 + ... + 16580.

It is an arithmetic number, because the mean of its divisors is an integer number (14694225).

Almost surely, 2^125212664 is an apocalyptic number.

It is an amenable number.

125212664 is a deficient number, since it is larger than the sum of its proper divisors (109894936).

125212664 is a wasteful number, since it uses less digits than its factorization.

125212664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22262 (or 22258 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 125212664 is about 11189.8464690093. The cubic root of 125212664 is about 500.2833913483.

The spelling of 125212664 in words is "one hundred twenty-five million, two hundred twelve thousand, six hundred sixty-four".