125101055 has 4 divisors (see below), whose sum is σ = 150121272. Its totient is φ = 100080840.

The previous prime is 125101021. The next prime is 125101091. The reversal of 125101055 is 550101521.

It is a happy number.

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

It is not a de Polignac number, because 125101055 - 2¹⁴ = 125084671 is a prime.

It is a super-2 number, since 2×125101055² = 31300547924226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 12510101 + ... + 12510110.

It is an arithmetic number, because the mean of its divisors is an integer number (37530318).

Almost surely, 2^125101055 is an apocalyptic number.

125101055 is a deficient number, since it is larger than the sum of its proper divisors (25020217).

125101055 is an equidigital number, since it uses as much as digits as its factorization.

125101055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25020216.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 125101055 is about 11184.8582914581. The cubic root of 125101055 is about 500.1347037066.

Adding to 125101055 its reverse (550101521), we get a palindrome (675202576).

The spelling of 125101055 in words is "one hundred twenty-five million, one hundred one thousand, fifty-five".