125067506 has 4 divisors (see below), whose sum is σ = 187601262. Its totient is φ = 62533752.

The previous prime is 125067473. The next prime is 125067529. The reversal of 125067506 is 605760521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605760521 = 601 ⋅1007921.

It can be written as a sum of positive squares in only one way, i.e., 123765625 + 1301881 = 11125^2 + 1141^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31266875 + ... + 31266878.

Almost surely, 2^125067506 is an apocalyptic number.

125067506 is a deficient number, since it is larger than the sum of its proper divisors (62533756).

125067506 is an equidigital number, since it uses as much as digits as its factorization.

125067506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62533755.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 125067506 is about 11183.3584401109. The cubic root of 125067506 is about 500.0899918020.

The spelling of 125067506 in words is "one hundred twenty-five million, sixty-seven thousand, five hundred six".