125779450 has 12 divisors (see below), whose sum is σ = 233949870. Its totient is φ = 50311760.

The previous prime is 125779427. The next prime is 125779457. The reversal of 125779450 is 54977521.

It can be written as a sum of positive squares in 3 ways, for example, as 121815369 + 3964081 = 11037^2 + 1991^2 .

It is not an unprimeable number, because it can be changed into a prime (125779457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1257745 + ... + 1257844.

Almost surely, 2^125779450 is an apocalyptic number.

125779450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125779450 is a deficient number, since it is larger than the sum of its proper divisors (108170420).

125779450 is a wasteful number, since it uses less digits than its factorization.

125779450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515601 (or 2515596 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 125779450 is about 11215.1437797293. The cubic root of 125779450 is about 501.0371139685.

The spelling of 125779450 in words is "one hundred twenty-five million, seven hundred seventy-nine thousand, four hundred fifty".