125728354 has 4 divisors (see below), whose sum is σ = 188592534. Its totient is φ = 62864176.

The previous prime is 125728333. The next prime is 125728357. The reversal of 125728354 is 453827521.

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

It can be written as a sum of positive squares in only one way, i.e., 123810129 + 1918225 = 11127^2 + 1385^2 .

It is not an unprimeable number, because it can be changed into a prime (125728357) by changing a digit.

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, 31432087 + ... + 31432090.

Almost surely, 2^125728354 is an apocalyptic number.

125728354 is a deficient number, since it is larger than the sum of its proper divisors (62864180).

125728354 is an equidigital number, since it uses as much as digits as its factorization.

125728354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62864179.

The product of its digits is 67200, while the sum is 37.

The square root of 125728354 is about 11212.8655570287. The cubic root of 125728354 is about 500.9692585284.

The spelling of 125728354 in words is "one hundred twenty-five million, seven hundred twenty-eight thousand, three hundred fifty-four".