125221335 has 8 divisors (see below), whose sum is σ = 200354160. Its totient is φ = 66784704.

The previous prime is 125221331. The next prime is 125221387. The reversal of 125221335 is 533122521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125221335 - 2² = 125221331 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125221331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4174030 + ... + 4174059.

It is an arithmetic number, because the mean of its divisors is an integer number (25044270).

Almost surely, 2^125221335 is an apocalyptic number.

125221335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125221335 is a deficient number, since it is larger than the sum of its proper divisors (75132825).

125221335 is an equidigital number, since it uses as much as digits as its factorization.

125221335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348097.

The product of its digits is 1800, while the sum is 24.

The square root of 125221335 is about 11190.2339117643. The cubic root of 125221335 is about 500.2949393207.

Adding to 125221335 its reverse (533122521), we get a palindrome (658343856).

The spelling of 125221335 in words is "one hundred twenty-five million, two hundred twenty-one thousand, three hundred thirty-five".