125225635 has 4 divisors (see below), whose sum is σ = 150270768. Its totient is φ = 100180504.

The previous prime is 125225537. The next prime is 125225663. The reversal of 125225635 is 536522521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 125225635 - 2²¹ = 123128483 is a prime.

It is a super-2 number, since 2×125225635² = 31362919322306450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125225597 and 125225606.

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, 12522559 + ... + 12522568.

It is an arithmetic number, because the mean of its divisors is an integer number (37567692).

Almost surely, 2^125225635 is an apocalyptic number.

125225635 is a deficient number, since it is larger than the sum of its proper divisors (25045133).

125225635 is an equidigital number, since it uses as much as digits as its factorization.

125225635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25045132.

The product of its digits is 18000, while the sum is 31.

The square root of 125225635 is about 11190.4260419342. The cubic root of 125225635 is about 500.3006658305.

The spelling of 125225635 in words is "one hundred twenty-five million, two hundred twenty-five thousand, six hundred thirty-five".