125133655 has 8 divisors (see below), whose sum is σ = 153652752. Its totient is φ = 97778688.

The previous prime is 125133653. The next prime is 125133661. The reversal of 125133655 is 556331521.

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

It is a cyclic number.

It is not a de Polignac number, because 125133655 - 2¹ = 125133653 is a prime.

It is a super-2 number, since 2×125133655² = 31316863227318050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125133653) 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 7 ways as a sum of consecutive naturals, for example, 290794 + ... + 291223.

It is an arithmetic number, because the mean of its divisors is an integer number (19206594).

Almost surely, 2^125133655 is an apocalyptic number.

125133655 is a deficient number, since it is larger than the sum of its proper divisors (28519097).

125133655 is an equidigital number, since it uses as much as digits as its factorization.

125133655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582065.

The product of its digits is 13500, while the sum is 31.

The square root of 125133655 is about 11186.3155238890. The cubic root of 125133655 is about 500.1781431891.

The spelling of 125133655 in words is "one hundred twenty-five million, one hundred thirty-three thousand, six hundred fifty-five".