125449763 has 4 divisors (see below), whose sum is σ = 125988408. Its totient is φ = 124911120.

The previous prime is 125449757. The next prime is 125449771. The reversal of 125449763 is 367944521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367944521 = 7 ⋅52563503.

It is a cyclic number.

It is not a de Polignac number, because 125449763 - 2⁴ = 125449747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125449763.

It is not an unprimeable number, because it can be changed into a prime (125449703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268973 + ... + 269438.

It is an arithmetic number, because the mean of its divisors is an integer number (31497102).

Almost surely, 2^125449763 is an apocalyptic number.

125449763 is a deficient number, since it is larger than the sum of its proper divisors (538645).

125449763 is an equidigital number, since it uses as much as digits as its factorization.

125449763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538644.

The product of its digits is 181440, while the sum is 41.

The square root of 125449763 is about 11200.4358397341. The cubic root of 125449763 is about 500.5989661925.

The spelling of 125449763 in words is "one hundred twenty-five million, four hundred forty-nine thousand, seven hundred sixty-three".