125508270 has 32 divisors (see below), whose sum is σ = 301547520. Its totient is φ = 33432480.

The previous prime is 125508269. The next prime is 125508277. The reversal of 125508270 is 72805521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125508277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36735 + ... + 40005.

It is an arithmetic number, because the mean of its divisors is an integer number (9423360).

Almost surely, 2^125508270 is an apocalyptic number.

125508270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125508270 is an abundant number, since it is smaller than the sum of its proper divisors (176039250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125508270 is a wasteful number, since it uses less digits than its factorization.

125508270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 125508270 is about 11203.0473532874. The cubic root of 125508270 is about 500.6767768662.

The spelling of 125508270 in words is "one hundred twenty-five million, five hundred eight thousand, two hundred seventy".