125703863 has 4 divisors (see below), whose sum is σ = 128075688. Its totient is φ = 123332040.

The previous prime is 125703847. The next prime is 125703871. The reversal of 125703863 is 368307521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368307521 = 1699 ⋅216779.

It is a cyclic number.

It is not a de Polignac number, because 125703863 - 2⁴ = 125703847 is a prime.

It is a super-2 number, since 2×125703863² = 31602922346245538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125705863) 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, 1185833 + ... + 1185938.

It is an arithmetic number, because the mean of its divisors is an integer number (32018922).

Almost surely, 2^125703863 is an apocalyptic number.

125703863 is a deficient number, since it is larger than the sum of its proper divisors (2371825).

125703863 is an equidigital number, since it uses as much as digits as its factorization.

125703863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371824.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 125703863 is about 11211.7734101256. The cubic root of 125703863 is about 500.9367279854.

The spelling of 125703863 in words is "one hundred twenty-five million, seven hundred three thousand, eight hundred sixty-three".