125452605 has 32 divisors (see below), whose sum is σ = 214679808. Its totient is φ = 62336000.

The previous prime is 125452601. The next prime is 125452651. The reversal of 125452605 is 506254521.

It is not a de Polignac number, because 125452605 - 2² = 125452601 is a prime.

It is a super-2 number, since 2×125452605² = 31476712202572050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125452601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23320 + ... + 28190.

It is an arithmetic number, because the mean of its divisors is an integer number (6708744).

Almost surely, 2^125452605 is an apocalyptic number.

125452605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125452605 is a deficient number, since it is larger than the sum of its proper divisors (89227203).

125452605 is a wasteful number, since it uses less digits than its factorization.

125452605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 125452605 is about 11200.5627090785. The cubic root of 125452605 is about 500.6027464348.

The spelling of 125452605 in words is "one hundred twenty-five million, four hundred fifty-two thousand, six hundred five".