125137435 has 4 divisors (see below), whose sum is σ = 150164928. Its totient is φ = 100109944.

The previous prime is 125137417. The next prime is 125137489. The reversal of 125137435 is 534731521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125137435 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125137397 and 125137406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12513739 + ... + 12513748.

It is an arithmetic number, because the mean of its divisors is an integer number (37541232).

Almost surely, 2^125137435 is an apocalyptic number.

125137435 is a deficient number, since it is larger than the sum of its proper divisors (25027493).

125137435 is an equidigital number, since it uses as much as digits as its factorization.

125137435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25027492.

The product of its digits is 12600, while the sum is 31.

The square root of 125137435 is about 11186.4844790488. The cubic root of 125137435 is about 500.1831795490.

Adding to 125137435 its reverse (534731521), we get a palindrome (659868956).

The spelling of 125137435 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, four hundred thirty-five".