125455444 has 24 divisors (see below), whose sum is σ = 233768808. Its totient is φ = 58705920.

The previous prime is 125455441. The next prime is 125455457. The reversal of 125455444 is 444554521.

It can be written as a sum of positive squares in 4 ways, for example, as 11819844 + 113635600 = 3438^2 + 10660^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125455441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7212 + ... + 17404.

It is an arithmetic number, because the mean of its divisors is an integer number (9740367).

Almost surely, 2^125455444 is an apocalyptic number.

It is an amenable number.

125455444 is a deficient number, since it is larger than the sum of its proper divisors (108313364).

125455444 is a wasteful number, since it uses less digits than its factorization.

125455444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10395 (or 10393 counting only the distinct ones).

The product of its digits is 64000, while the sum is 34.

The square root of 125455444 is about 11200.6894430655. The cubic root of 125455444 is about 500.6065226298.

The spelling of 125455444 in words is "one hundred twenty-five million, four hundred fifty-five thousand, four hundred forty-four".