125467787 has 4 divisors (see below), whose sum is σ = 125934480. Its totient is φ = 125001096.

The previous prime is 125467781. The next prime is 125467813. The reversal of 125467787 is 787764521.

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: 787764521 = 37 ⋅21290933.

It is a cyclic number.

It is not a de Polignac number, because 125467787 - 2¹⁰ = 125466763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125467781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232943 + ... + 233480.

It is an arithmetic number, because the mean of its divisors is an integer number (31483620).

Almost surely, 2^125467787 is an apocalyptic number.

125467787 is a deficient number, since it is larger than the sum of its proper divisors (466693).

125467787 is an equidigital number, since it uses as much as digits as its factorization.

125467787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466692.

The product of its digits is 658560, while the sum is 47.

The square root of 125467787 is about 11201.2404223818. The cubic root of 125467787 is about 500.6229395703.

The spelling of 125467787 in words is "one hundred twenty-five million, four hundred sixty-seven thousand, seven hundred eighty-seven".