125101449 has 32 divisors (see below), whose sum is σ = 202884480. Its totient is φ = 75556800.

The previous prime is 125101441. The next prime is 125101469. The reversal of 125101449 is 944101521.

125101449 is a `hidden beast` number, since 1 + 2 + 510 + 144 + 9 = 666.

It is not a de Polignac number, because 125101449 - 2³ = 125101441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (125101441) 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, 117379 + ... + 118439.

It is an arithmetic number, because the mean of its divisors is an integer number (6340140).

Almost surely, 2^125101449 is an apocalyptic number.

It is an amenable number.

125101449 is a deficient number, since it is larger than the sum of its proper divisors (77783031).

125101449 is a wasteful number, since it uses less digits than its factorization.

125101449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 125101449 is about 11184.8759045418. The cubic root of 125101449 is about 500.1352287564.

The spelling of 125101449 in words is "one hundred twenty-five million, one hundred one thousand, four hundred forty-nine".