125335215 has 16 divisors (see below), whose sum is σ = 222818400. Its totient is φ = 66845376.

The previous prime is 125335151. The next prime is 125335247. The reversal of 125335215 is 512533521.

It is a happy number.

It is not a de Polignac number, because 125335215 - 2⁶ = 125335151 is a prime.

It is a super-2 number, since 2×125335215² = 31417832238192450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464070 + ... + 464339.

It is an arithmetic number, because the mean of its divisors is an integer number (13926150).

Almost surely, 2^125335215 is an apocalyptic number.

125335215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125335215 is a deficient number, since it is larger than the sum of its proper divisors (97483185).

125335215 is an equidigital number, since it uses as much as digits as its factorization.

125335215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928423 (or 928417 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 125335215 is about 11195.3211208969. The cubic root of 125335215 is about 500.4465543930.

Adding to 125335215 its reverse (512533521), we get a palindrome (637868736).

The spelling of 125335215 in words is "one hundred twenty-five million, three hundred thirty-five thousand, two hundred fifteen".