125145105 has 16 divisors (see below), whose sum is σ = 200439360. Its totient is φ = 66675008.

The previous prime is 125145091. The next prime is 125145113. The reversal of 125145105 is 501541521.

It is a cyclic number.

It is not a de Polignac number, because 125145105 - 2⁵ = 125145073 is a prime.

It is a super-2 number, since 2×125145105² = 31322594610922050, which contains 22 as substring.

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, 12874 + ... + 20396.

It is an arithmetic number, because the mean of its divisors is an integer number (12527460).

Almost surely, 2^125145105 is an apocalyptic number.

125145105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125145105 is a deficient number, since it is larger than the sum of its proper divisors (75294255).

125145105 is a wasteful number, since it uses less digits than its factorization.

125145105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 125145105 is about 11186.8272982111. The cubic root of 125145105 is about 500.1933985177.

Adding to 125145105 its reverse (501541521), we get a palindrome (626686626).

It can be divided in two parts, 125145 and 105, that added together give a triangular number (125250 = T₅₀₀).

The spelling of 125145105 in words is "one hundred twenty-five million, one hundred forty-five thousand, one hundred five".