125567455 has 32 divisors (see below), whose sum is σ = 168537600. Its totient is φ = 89206272.

The previous prime is 125567443. The next prime is 125567459. The reversal of 125567455 is 554765521.

125567455 is nontrivially palindromic in base 8.

It is a cyclic number.

It is not a de Polignac number, because 125567455 - 2¹⁹ = 125043167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125567459) 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, 261906 + ... + 262384.

It is an arithmetic number, because the mean of its divisors is an integer number (5266800).

Almost surely, 2^125567455 is an apocalyptic number.

125567455 is a deficient number, since it is larger than the sum of its proper divisors (42970145).

125567455 is a wasteful number, since it uses less digits than its factorization.

125567455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its digits is 210000, while the sum is 40.

The square root of 125567455 is about 11205.6885107520. The cubic root of 125567455 is about 500.7554646381.

The spelling of 125567455 in words is "one hundred twenty-five million, five hundred sixty-seven thousand, four hundred fifty-five".