125236478 has 16 divisors (see below), whose sum is σ = 190218240. Its totient is φ = 61835256.

The previous prime is 125236469. The next prime is 125236487. The reversal of 125236478 is 874632521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125236469) and next prime (125236487).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59675 + ... + 61737.

It is an arithmetic number, because the mean of its divisors is an integer number (11888640).

Almost surely, 2^125236478 is an apocalyptic number.

125236478 is a deficient number, since it is larger than the sum of its proper divisors (64981762).

125236478 is a wasteful number, since it uses less digits than its factorization.

125236478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its digits is 80640, while the sum is 38.

The square root of 125236478 is about 11190.9105080865. The cubic root of 125236478 is about 500.3151053755.

Adding to 125236478 its reverse (874632521), we get a palindrome (999868999).

The spelling of 125236478 in words is "one hundred twenty-five million, two hundred thirty-six thousand, four hundred seventy-eight".