125987534 has 8 divisors (see below), whose sum is σ = 195077568. Its totient is φ = 60961680.

The previous prime is 125987531. The next prime is 125987551. The reversal of 125987534 is 435789521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125987531) 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, 1015967 + ... + 1016090.

It is an arithmetic number, because the mean of its divisors is an integer number (24384696).

Almost surely, 2^125987534 is an apocalyptic number.

125987534 is a deficient number, since it is larger than the sum of its proper divisors (69090034).

125987534 is a wasteful number, since it uses less digits than its factorization.

125987534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032090.

The product of its digits is 302400, while the sum is 44.

The square root of 125987534 is about 11224.4168668132. The cubic root of 125987534 is about 501.3132596781.

The spelling of 125987534 in words is "one hundred twenty-five million, nine hundred eighty-seven thousand, five hundred thirty-four".