125671654 has 4 divisors (see below), whose sum is σ = 188507484. Its totient is φ = 62835826.

The previous prime is 125671631. The next prime is 125671661. The reversal of 125671654 is 456176521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31417912 + ... + 31417915.

It is an arithmetic number, because the mean of its divisors is an integer number (47126871).

Almost surely, 2^125671654 is an apocalyptic number.

125671654 is a deficient number, since it is larger than the sum of its proper divisors (62835830).

125671654 is an equidigital number, since it uses as much as digits as its factorization.

125671654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62835829.

The product of its digits is 50400, while the sum is 37.

The square root of 125671654 is about 11210.3369262480. The cubic root of 125671654 is about 500.8939394587.

The spelling of 125671654 in words is "one hundred twenty-five million, six hundred seventy-one thousand, six hundred fifty-four".