125454505 has 16 divisors (see below), whose sum is σ = 164518848. Its totient is φ = 91080000.

The previous prime is 125454479. The next prime is 125454523. The reversal of 125454505 is 505454521.

It is not a de Polignac number, because 125454505 - 2¹³ = 125446313 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

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, 36355 + ... + 39655.

It is an arithmetic number, because the mean of its divisors is an integer number (10282428).

Almost surely, 2^125454505 is an apocalyptic number.

It is an amenable number.

125454505 is a deficient number, since it is larger than the sum of its proper divisors (39064343).

125454505 is a wasteful number, since it uses less digits than its factorization.

125454505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 125454505 is about 11200.6475259246. The cubic root of 125454505 is about 500.6052736586.

The spelling of 125454505 in words is "one hundred twenty-five million, four hundred fifty-four thousand, five hundred five".