125723776 has 16 divisors (see below), whose sum is σ = 250465590. Its totient is φ = 62861824.

The previous prime is 125723683. The next prime is 125723783. The reversal of 125723776 is 677327521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70963776 + 54760000 = 8424^2 + 7400^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490981 + ... + 491236.

Almost surely, 2^125723776 is an apocalyptic number.

125723776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125723776 is a deficient number, since it is larger than the sum of its proper divisors (124741814).

125723776 is an frugal number, since it uses more digits than its factorization.

125723776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982231 (or 982219 counting only the distinct ones).

The product of its digits is 123480, while the sum is 40.

The square root of 125723776 is about 11212.6614146687. The cubic root of 125723776 is about 500.9631780513.

The spelling of 125723776 in words is "one hundred twenty-five million, seven hundred twenty-three thousand, seven hundred seventy-six".