125442466 has 8 divisors (see below), whose sum is σ = 188703900. Its totient is φ = 62541168.

The previous prime is 125442463. The next prime is 125442491. The reversal of 125442466 is 664244521.

It can be written as a sum of positive squares in 2 ways, for example, as 121462441 + 3980025 = 11021^2 + 1995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×125442466² = 31471624552322312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125442463) 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, 89161 + ... + 90556.

Almost surely, 2^125442466 is an apocalyptic number.

125442466 is a deficient number, since it is larger than the sum of its proper divisors (63261434).

125442466 is a wasteful number, since it uses less digits than its factorization.

125442466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180068.

The product of its digits is 46080, while the sum is 34.

The square root of 125442466 is about 11200.1100887447. The cubic root of 125442466 is about 500.5892599393.

Adding to 125442466 its reverse (664244521), we get a palindrome (789686987).

The spelling of 125442466 in words is "one hundred twenty-five million, four hundred forty-two thousand, four hundred sixty-six".