125948663 has 4 divisors (see below), whose sum is σ = 132577560. Its totient is φ = 119319768.

The previous prime is 125948651. The next prime is 125948689. The reversal of 125948663 is 366849521.

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

It is a cyclic number.

It is not a de Polignac number, because 125948663 - 2¹⁶ = 125883127 is a prime.

It is a super-2 number, since 2×125948663² = 31726131422975138, 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 (125948623) 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, 3314420 + ... + 3314457.

It is an arithmetic number, because the mean of its divisors is an integer number (33144390).

Almost surely, 2^125948663 is an apocalyptic number.

125948663 is a deficient number, since it is larger than the sum of its proper divisors (6628897).

125948663 is an equidigital number, since it uses as much as digits as its factorization.

125948663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628896.

The product of its digits is 311040, while the sum is 44.

The square root of 125948663 is about 11222.6851956205. The cubic root of 125948663 is about 501.2616975606.

The spelling of 125948663 in words is "one hundred twenty-five million, nine hundred forty-eight thousand, six hundred sixty-three".