125135236 has 6 divisors (see below), whose sum is σ = 218986670. Its totient is φ = 62567616.

The previous prime is 125135233. The next prime is 125135237. The reversal of 125135236 is 632531521.

It can be written as a sum of positive squares in only one way, i.e., 96040000 + 29095236 = 9800^2 + 5394^2 .

It is not an unprimeable number, because it can be changed into a prime (125135233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15641901 + ... + 15641908.

Almost surely, 2^125135236 is an apocalyptic number.

It is an amenable number.

125135236 is a deficient number, since it is larger than the sum of its proper divisors (93851434).

125135236 is a wasteful number, since it uses less digits than its factorization.

125135236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31283813 (or 31283811 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 125135236 is about 11186.3861903655. The cubic root of 125135236 is about 500.1802496790.

Adding to 125135236 its reverse (632531521), we get a palindrome (757666757).

The spelling of 125135236 in words is "one hundred twenty-five million, one hundred thirty-five thousand, two hundred thirty-six".