125577043 has 4 divisors (see below), whose sum is σ = 125617768. Its totient is φ = 125536320.

The previous prime is 125577031. The next prime is 125577083. The reversal of 125577043 is 340775521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125577043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125577083) 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, 15321 + ... + 22042.

It is an arithmetic number, because the mean of its divisors is an integer number (31404442).

Almost surely, 2^125577043 is an apocalyptic number.

125577043 is a deficient number, since it is larger than the sum of its proper divisors (40725).

125577043 is an equidigital number, since it uses as much as digits as its factorization.

125577043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40724.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 125577043 is about 11206.1163210097. The cubic root of 125577043 is about 500.7682097697.

It can be divided in two parts, 12557 and 7043, that added together give a square (19600 = 140²).

The spelling of 125577043 in words is "one hundred twenty-five million, five hundred seventy-seven thousand, forty-three".